The best organic fertilizers match the nutrient needs of your plants with a format you can apply correctly. My best overall pick is Jobe’s Organics All-Purpose Granular Fertilizer for its broad garden use and slow-release convenience; Down To Earth Organic Vegetable Garden Fertilizer is a focused choice for edible crops, while FoxFarm Big Bloom suits gardeners who prefer liquid feeding. The main tradeoffs are targeted versus general-purpose formulas, granular versus liquid application, and how much product a garden needs. Organic labels alone do not tell you which fertilizer fits your soil or plants. Read on for the full comparison and a guide to choosing the right option for your garden.
Get garden gear delivered free — and shop member deals
- Fast, free delivery on millions of items
- Access to Prime Big Deal Days deals on October 6–7
- Prime Video, Amazon Music and more included
Complete the kit
Key Takeaways
- Jobe’s Organics All-Purpose Granular Fertilizer leads for gardeners who want one general-purpose granular option; the smaller Jobe’s 4 lb package offers a more manageable alternative for limited planting areas.
- Down To Earth Organic Vegetable Garden Fertilizer, Espoma Garden-Tone, and Dr. Earth Organic 5 are more relevant to edible-garden needs than broad plant foods, but their specific uses make them less universal.
- The lineup includes both liquid feeds, such as FoxFarm Big Bloom and FOOP Organic All-Purpose, and granular products; choose based on how you prefer to apply and schedule feeding.
- Brut Organic Worm Castings offer a soil-amendment approach rather than a conventional all-purpose fertilizer role, while True Organic Blood Meal is a more targeted choice rather than a balanced garden staple.
- Package size and specialization affect practical value: a large bag may suit established beds, while compact products such as Organic Plant Magic or Smart Grower may better fit smaller-scale use.
| organic fertilizer | Brand | Form | Weight |
|---|---|---|---|
| FoxFarm Big Bloom Liquid Plant | FoxFarm | Liquid | — |
| Jobe’s Organics All-Purpose Gr | Jobe’s Organics | Granules | 16 pounds |
| Brut Organic Worm Castings for | BRUT WORM FARMS | — | 5 pounds |
| Down To Earth Organic Vegetabl | Down To Earth | — | 5 pounds |
| Espoma Organic Garden-Tone 3-4 | Espoma | Powder | — |
| Farmer’s Secret Fruit & Bloom | Farmer’s Secret | Liquid | — |
| Smart Grower Organic Plant Foo | Smart Grower | — | 125 g (4.41 oz) |
| FOOP Organic All-Purpose Liqui | FOOP | Liquid | — |
| Jobe’s Organics Granular All P | Jobe’s Organics | Granules | 4 lb (64 oz) |
| Back to the Roots Organic All- | Back to the Roots | — | 5 pounds |
| Organic Plant Magic Fertilizer | Organic Plant Magic | Water-soluble powder | 8 oz (1/2 lb) |
| Burpee Natural Purpose Organic | Burpee | Granules | 4 lb |
| Miracle-Gro Organic All Purpos | Miracle-Gro | Granules | 3 lb |
| Dr. Earth Organic 5 Tomato | Dr. Earth | Granules | 4 lb (64 oz) |
| True Organic Blood Meal Fertil | True Organic | Granules | 3 lb |
More Details on Our Top Picks
FoxFarm Big Bloom Liquid Plant Food, 1 Quart
FoxFarm Big Bloom suits gardeners who want a liquid supplement for flowers and fruiting crops rather than a broad, balanced base fertilizer. Its earthworm castings and bat guano ingredients, paired with a low 0-0.5-0.7 NPK, make it distinct from Jobe’s Organics All-Purpose Granular Fertilizer, whose 4-4-4 formula is better suited to feeding a wider range of plants. The liquid can go through hose-end sprayers, siphon mixers, or drip irrigation, which helps when feeding multiple beds or containers. The tradeoff is routine: you must dilute it at 4 tablespoons per gallon, and the suggested schedule is every other watering. Its modest nutrient analysis also makes it a less obvious choice as a stand-alone fertilizer for plants needing a balanced feed.
Pros:- Contains earthworm castings and bat guano
- Formulated for flowering and fruiting plants
- Works with hose-end sprayers, siphon mixers, and drip irrigation
- Can be used throughout different plant growth stages
Cons:- Must be diluted at 4 tablespoons per gallon
- Every-other-watering use can mean frequent preparation
- Low NPK makes it less suited as a general-purpose base fertilizer
Best for: Gardeners feeding flowering or fruiting plants who want a liquid product compatible with sprayers or drip irrigation.
Not ideal for: Buyers seeking a ready-to-use product or one balanced for a broad mix of garden plants; dilution is required, and the low NPK is specialized.
- Brand:FoxFarm
- Form:Liquid
- Volume:1 quart (32 fluid ounces)
- NPK:0-0.5-0.7
- Ingredients:Earthworm castings and bat guano
- Mixing ratio:4 tablespoons per gallon of water
- Item weight:2 pounds
- Warranty:1 year
Our verdict“Choose FoxFarm Big Bloom for liquid feeding of flowering and fruiting plants, but pick Jobe’s 4-4-4 granules for broader garden coverage.”
Jobe’s Organics All-Purpose Granular Fertilizer, 16 lb
For gardeners feeding vegetables, flowers, trees, and shrubs from one bag, Jobe’s Organics is the lineup’s most versatile bulk granular option. Its 4-4-4 NPK provides a balanced profile across varied plantings, while its OMRI listing fits organic gardening plans. The 16-pound bag gives it a different role from Down To Earth Organic Vegetable Garden Fertilizer, which is also 4-4-4 but is aimed more specifically at edible beds and comes in a smaller package. Granules are straightforward to measure and apply, but Jobe’s calls for repeat applications every 2–3 weeks or as needed during the growing season. That schedule takes more attention than Espoma Garden-Tone’s monthly cadence. I’d favor this for a larger, diverse garden, not for someone who wants infrequent feeding or a product focused on one crop group.
Pros:- Balanced 4-4-4 NPK for a wide range of plants
- OMRI listed for organic gardening
- Granular form is easy to measure
- Suitable for vegetables, flowers, trees, and shrubs
Cons:- Requires repeat applications every 2–3 weeks or as needed
- Large bag may be excessive for a few containers or a small garden
- Less crop-specific than Down To Earth’s vegetable-garden formula
Best for: Gardeners with sizable mixed plantings of vegetables, flowers, trees, and shrubs who want one OMRI-listed fertilizer.
Not ideal for: Small-space growers or gardeners seeking less frequent feeding; the 16-pound bag and 2–3-week application schedule may be more than they need.
- Brand:Jobe’s Organics
- Form:Granules
- Weight:16 pounds
- NPK ratio:4-4-4
- Application frequency:Every 2–3 weeks or as needed during the growing season
- Organic certification:OMRI listed
- Quantity:1
Our verdict“Choose Jobe’s 16-pound bag for a large mixed garden that needs one balanced organic feed, and skip it if your planting area is small.”
Brut Organic Worm Castings for Plants, 5 lb
Brut is the most soil-focused choice in this group: OMRI- and CDFA-listed worm castings intended to support soil fertility for indoor and outdoor plants. Unlike FoxFarm Big Bloom, which is a diluted liquid feed with a defined low NPK, Brut comes as granules to work into potting or garden soil. That makes it a fit for growers who want to amend the growing medium, not simply water on a formulated fertilizer. Its broad indoor-and-outdoor use also contrasts with Down To Earth Organic Vegetable Garden Fertilizer’s clearer focus on edible beds. The main limitation is the guidance: the product data gives a 1:5 mixing ratio but no specific application directions, leaving buyers to determine how much and how often to use. I’d choose it for soil amendment, not when a clear feeding schedule is the priority.
Pros:- OMRI- and CDFA-listed
- Suitable for indoor and outdoor plants
- Can be used in potting and garden soil
- Worm-casting granules serve as a soil amendment
Cons:- Product data does not specify detailed application instructions
- No NPK ratio is provided
- The 1:5 mixing ratio may be unclear without further use guidance
Best for: Indoor plant owners and outdoor gardeners who want listed worm castings to incorporate into potting or garden soil.
Not ideal for: New gardeners who need clear dosage and timing instructions, or buyers looking for a fertilizer with a defined NPK analysis.
- Brand:BRUT WORM FARMS
- Model number:BW-WormCastings-5lb
- Item form:Granules
- Weight:5 pounds
- Unit count:80 ounces
- Liquid volume:4 quarts
- Mixing ratio:1:5
- Use:Gardening; indoor and outdoor plants
- Certifications:OMRI and CDFA listed
Our verdict“Choose Brut for adding listed worm castings to soil, but select Espoma Garden-Tone or Jobe’s if you want a specified NPK and feeding schedule.”
Down To Earth Organic Vegetable Garden Fertilizer, 5 lb
Down To Earth is a focused pick for gardeners who want a balanced 4-4-4 fertilizer for edible beds. Its granules can be placed directly on soil or mixed into garden beds, with gradual nutrient release suited to ongoing vegetable, herb, and greens production. That keeps application simple without the dilution step required by FoxFarm Big Bloom. Compared with Jobe’s Organics All-Purpose Granular Fertilizer, Down To Earth has the same stated NPK ratio but a more specific crop focus and a smaller 5-pound format. That specialization is also its limit: it is not presented as a general-purpose lawn fertilizer, and the product data gives no application interval or detailed dosage. Buyers who want a clearly scheduled feed may prefer Espoma Garden-Tone, which specifies monthly application.
Pros:- Balanced 4-4-4 NPK formula
- Designed for vegetables, greens, tomatoes, and herbs
- Granular form supports gradual nutrient release
- Can be applied directly or mixed into garden beds
Cons:- Not intended as a general-purpose lawn fertilizer
- Product data does not provide a feeding interval
- More crop-specific than Jobe’s all-purpose 4-4-4 fertilizer
Best for: Home growers feeding vegetable beds, herbs, greens, or tomatoes who prefer granular fertilizer that can be worked into soil.
Not ideal for: Gardeners looking for a general lawn fertilizer or detailed application timing and dosage directions.
- Brand:Down To Earth
- Model number:100532059
- Item form:Granules
- Weight:5 pounds
- NPK ratio:4-4-4
- Application:Apply directly to soil or mix into garden beds
- Suitable for:Vegetables, greens, tomatoes, and herbs
- Unit count:80 ounces
Our verdict“Choose Down To Earth for a 4-4-4 feed tailored to vegetable beds, but pick Jobe’s for a broader mix of garden plants.”
Espoma Organic Garden-Tone 3-4-4 Fertilizer for Cool & Warm Season Vegetables and Herbs, 4 lb Bag
Espoma Garden-Tone is the most approachable option here for gardeners who want a ready-to-use powder and a clear monthly routine. Its 3-4-4 formula includes 5% calcium and is intended for a wide range of vegetables and herbs, from leafy greens to tomatoes, peppers, and squash. Unlike liquid FoxFarm Big Bloom, it needs no dilution; compared with Down To Earth’s 4-4-4 granules, Espoma supplies a stated monthly schedule and calcium content. Those details make planning easier, though the bag still needs reapplication every month through the growing season. The 4-pound bag is also the only listed size, so it may not suit growers managing larger beds. Buyers wanting a larger all-purpose supply may find Jobe’s 16-pound bag a better fit, though it calls for more frequent applications.
Pros:- Ready-to-use powder requires no mixing
- Monthly application schedule is straightforward
- Contains 5% calcium
- Suitable for a range of cool- and warm-season vegetables and herbs
Cons:- Requires monthly reapplication during the growing season
- Available in a single 4-pound bag size
- Its 3-4-4 ratio differs from the 4-4-4 formulas offered by Jobe’s and Down To Earth
Best for: Beginner vegetable and herb gardeners who want a ready-to-use organic fertilizer with a simple monthly application schedule.
Not ideal for: Gardeners managing large beds who need a larger bag, or buyers who prefer fewer applications during the growing season.
- Brand:Espoma
- Model number:GT36
- Unit count:4 pounds
- Form:Powder
- NPK ratio:3-4-4
- Calcium content:5%
- Target species:Vegetables and herbs
- Coverage:Medium
Our verdict“Choose Garden-Tone for simple monthly feeding of vegetable and herb beds, and consider Jobe’s 16-pound bag for larger, mixed plantings.”
Farmer’s Secret Fruit & Bloom Booster Fertilizer, 16 oz
Farmer’s Secret is the focused choice here for gardeners feeding fruiting and flowering plants near the end of the growing season. Its concentrated liquid calls for just 1 teaspoon per 2 gallons of water, and it can be poured or sprayed, giving growers options for fitting feeding into their routine. Unlike FOOP Organic All-Purpose Liquid Plant Food, which targets a broad mix of plants, this formula is specifically positioned for fruit and bloom support and late-summer or early-fall use. That narrower timing is also its main limitation: it is less suited to someone seeking one fertilizer for routine feeding across the whole season. The 16-ounce bottle also requires measuring and dilution before use, so it is less grab-and-apply than a ready-to-use product.
Pros:- Concentrate makes 2 gallons of feed per teaspoon
- Intended for fruit, vegetable, and flowering plants
- Can be poured onto soil or applied as a spray
- Late-season purpose gives it a distinct role for end-of-season feeding
Cons:- Requires careful dilution before each application
- Its late-season focus makes it less versatile for feeding throughout the growing season
- The supplied product details do not provide an NPK analysis
Best for: Gardeners feeding fruiting vegetables, fruit plants, or flowering plants with a concentrated liquid during late summer or early fall.
Not ideal for: Gardeners seeking a year-round, all-purpose fertilizer or a product that can be applied without measuring and dilution.
- Brand:Farmer’s Secret
- Form:Liquid
- Volume:16 fluid ounces
- Mixing ratio:1 teaspoon per 2 gallons of water
- Application method:Pour or spray
- Intended use:Fruit, vegetable, and flowering plants
- Suggested timing:Late summer and early fall
Our verdict“Choose Farmer’s Secret if your priority is concentrated late-season feeding for fruiting or flowering plants rather than a general-purpose fertilizer.”
Smart Grower Organic Plant Food with Beneficial Microbes, 125 g
Smart Grower stands out for its microbial blend, pairing six Bacillus species with humic and fulvic acids in a vegan, water-soluble organic fertilizer. Its stated yield of 30 gallons from 125 g makes the small package appealing to gardeners who want a concentrated product for indoor and outdoor plants. Compared with Back to the Roots Organic All-Purpose Plant Food, which lists a tablespoon-per-gallon mixing rate and plant-based ingredients such as kelp and alfalfa meal, Smart Grower emphasizes microbes and a wider set of listed nutrient components. The drawback is practical: the supplied details do not give a dose or application schedule, leaving buyers without clear directions for using the concentrate. I would favor a product with explicit instructions if you are new to mixing fertilizers.
Pros:- Lists six Bacillus species and a microbe concentration of 2.5 × 10^8 CFU/g
- Includes humic acid, fulvic acids, amino acids, and several plant nutrients
- Vegan formula is described as organic
- 125 g is stated to make 30 gallons
Cons:- Supplied product details do not specify dosage or application instructions
- A small dry package requires measuring and dissolving before use
- The listing’s guaranteed-results claim is not supported by evidence in the supplied details
Best for: Experienced indoor and outdoor gardeners who want a water-soluble vegan organic fertilizer with listed Bacillus microbes and nutrient components.
Not ideal for: New gardeners who need clear dosage and scheduling directions before applying a concentrated fertilizer.
- Brand:Smart Grower
- Weight:125 g (4.41 oz)
- Yield:Makes 30 gallons
- Type:Vegan organic water-soluble plant fertilizer
- Use:Indoor and outdoor plants
- Beneficial microbes:Bacillus velezensis, B. subtilis, B. altitudinis, B. pumilus, B. licheniformis, and B. megaterium
- Microbe concentration:2.5 × 10^8 CFU/g
- Organic matter:23.15%
- N-P-K:1.00% nitrogen, 0.07% phosphorus, 2.00% potassium
Our verdict“Pick Smart Grower for its microbe-focused ingredient profile if you can obtain clear usage directions before applying it.”
FOOP Organic All-Purpose Liquid Plant Food, 32 oz
FOOP is the lineup’s broad-use liquid pick, intended for vegetables, herbs, flowers, trees, and shrubs rather than a narrower feeding goal. Its ingredient list includes fish emulsion, kelp, mycorrhizae, and fish manure, alongside several listed nutrients, giving it a varied organic profile. The 1:32 dilution rate means a 32-ounce bottle makes 32 gallons, which offers a clear mixing guide; Farmer’s Secret Fruit & Bloom Booster is more concentrated by its stated teaspoon-per-two-gallons rate but is aimed at late-season fruit and bloom support. FOOP’s wider scope makes more sense for gardeners tending mixed beds and landscape plants. The tradeoff is that it still requires measuring and mixing, and the fish-based ingredients may not suit buyers seeking a vegan formula such as Smart Grower.
Pros:- Designed for a broad range of edible and ornamental plants
- Includes fish emulsion, kelp, mycorrhizae, and fish manure
- Lists nitrogen, phosphorus, potassium, calcium, magnesium, and silica
- A 32-ounce bottle makes 32 gallons when diluted at 1:32
Cons:- Requires measuring and dilution before application
- Fish-derived ingredients make it unsuitable for buyers seeking a vegan fertilizer
- General-purpose positioning is less targeted than Farmer’s Secret for late-season fruit and bloom feeding
Best for: Gardeners who feed a mix of vegetables, herbs, flowers, trees, and shrubs and want one organic liquid fertilizer for general use.
Not ideal for: Vegan gardeners or anyone who wants a dry, ready-to-apply granular fertilizer rather than a fish-based liquid concentrate.
- Brand:FOOP
- Form:Liquid
- Volume:32 fluid ounces
- Mixing ratio:1:32
- Yield:32 gallons per bottle
- Target plants:Vegetables, herbs, flowers, trees, and shrubs
- Ingredients:Fish emulsion, kelp, mycorrhizae, and fish manure
- Made in:USA
Our verdict“Choose FOOP if you want one fish-based organic liquid for a varied garden and are comfortable mixing each application.”
Jobe’s Organics Granular All Purpose Fertilizer, 4 lb
Jobe’s Organics is the granular option in this group for gardeners who prefer a dry feed across vegetables, flowers, shrubs, and trees. Its 4-4-4 formula and beneficial microorganisms distinguish it from liquid choices such as FOOP, which must be diluted for each feeding. Granules avoid the mixing step and are described as helping reduce runoff, mess, and odors, while the resealable bag suits storage between applications. Compared with the 5-pound Back to the Roots powder, Jobe’s is a straightforward granular alternative, but the supplied details do not include application rates or timing. That omission makes it harder to plan a precise feeding routine, particularly for gardeners new to organic amendments. Choose it for the dry format and broad plant range, not for detailed usage guidance.
Pros:- Granular format avoids mixing fertilizer into water
- Balanced 4-4-4 NPK formula
- Contains beneficial microorganisms
- Resealable bag is suited to storing remaining product
Cons:- Supplied details do not include application rates or timing
- Dry granules are less suited than liquid products to gardeners seeking measured watering-can applications
- The stated use is broad, without a specific formula focus for a particular crop
Best for: Gardeners with mixed vegetable and ornamental plantings who prefer granular feeding and want a resealable package with a balanced 4-4-4 formula.
Not ideal for: Beginners who need specific application rates and timing, or gardeners who want a water-soluble fertilizer for measured liquid feeding.
- Brand:Jobe’s Organics
- Form:Granules
- Weight:4 lb (64 oz)
- N-P-K:4-4-4
- Use:Gardening
- Target plants:Vegetables, flowers, shrubs, trees, and other plants
- Microorganisms:Contains beneficial microorganisms
- Packaging:Resealable bag
Our verdict“Choose Jobe’s if you want a broad-use organic granular fertilizer, but look elsewhere if you need clear application directions.”
Back to the Roots Organic All-Purpose Plant Food, 5 lb
Back to the Roots is the clearest fit for vegan gardeners who want one organic formula for herbs, flowers, fruits, vegetables, shrubs, and houseplants. Its plant- and mineral-based ingredients include kelp, alfalfa meal, mycorrhizae, and rock phosphate, while the 2-3-3 formula is described as no-burn. Compared with Jobe’s Organics Granular All Purpose Fertilizer, this product offers a stated tablespoon-per-gallon mixing rate, but its powder still needs to be measured and mixed with water rather than scattered as dry granules. It also comes in a larger 5-pound package than Smart Grower’s 125 g concentrate, making it a more substantial supply for regular garden use. The main tradeoff is the extra preparation before feeding, especially for gardeners who prefer granular application.
Pros:- Vegan, plant- and mineral-based ingredient profile
- Designed for a wide range of edible and ornamental plants
- No-burn 2-3-3 formulation
- Contains mycorrhizae, kelp, alfalfa meal, and rock phosphate
Cons:- Powder must be measured and mixed with water before use
- The supplied details do not state how much finished fertilizer the 5-pound package makes
- Its 2-3-3 analysis may not suit gardeners seeking a formula with more nitrogen
Best for: Vegan gardeners with a mix of houseplants, herbs, vegetables, fruit plants, flowers, and shrubs who are comfortable mixing powder into water.
Not ideal for: Gardeners who want ready-to-apply granules, a liquid concentrate, or a fertilizer with a higher stated nitrogen percentage.
- Brand:Back to the Roots
- Weight:5 pounds
- Item form:Powder
- N-P-K:2-3-3
- Mixing ratio:1 tablespoon per gallon of water
- Ingredients:Kelp, alfalfa meal, mycorrhizae, and rock phosphate
- Formulation:Plant- and mineral-based; vegan
- Intended plants:Herbs, flowers, fruits, vegetables, shrubs, and houseplants
Our verdict“Choose Back to the Roots for a vegan, broad-use organic fertilizer if mixing powder into water fits your routine.”
Organic Plant Magic Fertilizer and Plant Food, 1/2 lb
Organic Plant Magic suits gardeners who want one fertilizer for houseplants, edible crops, flowers, and garden beds. Its water-soluble powder lets you adjust feeding through the water you apply, while the stated yield of 32+ gallons goes a long way for a small bag. Beneficial microbes, mycorrhizae, and trace minerals add more than basic plant nutrition. Compared with Burpee Natural Purpose Organic Granular Plant Food, this is easier to use for frequent, measured watering but requires mixing each batch; Burpee offers granules with feeding that can last up to three months. The broad crop range is handy, though it is less tailored than Dr. Earth Organic 5 for tomatoes, vegetables, and herbs. Choose it for flexible, multi-plant care, not for a no-prep, long-release routine.
Pros:- Works across indoor plants, vegetables, flowers, herbs, fruit, trees, and garden beds
- One 8-ounce bag makes 32+ gallons of plant food
- Includes beneficial microbes, mycorrhizae, and trace minerals
- Can be applied in water to soil or directly to a planting hole
Cons:- Requires measuring and mixing before application
- Does not provide a stated multi-month feeding duration
- A water-soluble routine may be less convenient than granular options for large beds
Best for: Houseplant owners and small-space gardeners who feed a mix of indoor plants, herbs, flowers, and outdoor crops with a watering can.
Not ideal for: Gardeners who want a ready-to-apply fertilizer or a single application that feeds for months; this powder must be mixed with water.
- Brand:Organic Plant Magic
- Form:Water-soluble powder
- Weight:8 oz (1/2 lb)
- Yield:32+ gallons
- Mixing ratio:1 tablespoon per 1 gallon of water
- Application methods:Mix with water for soil application, or apply to a planting hole
- Pack count:1
Our verdict“Choose Organic Plant Magic if you want one mixable fertilizer for varied indoor and outdoor plants and do not mind preparing each application.”
Burpee Natural Purpose Organic Granular Plant Food, 4 lb
Burpee Natural Purpose is a practical pick for gardeners who want broad plant coverage without repeating applications every week. The granules are described as feeding immediately and continuing for up to three months, so one treatment can serve vegetables, flowers, herbs, shrubs, trees, seed starts, and containers. Its OMRI listing is useful for gardeners seeking an organic-listed input. Compared with the water-mixed Organic Plant Magic, Burpee is simpler to spread over beds and avoids preparing a feeding solution, though Organic Plant Magic may suit people who prefer to feed through watering. Burpee is also less crop-specific than Dr. Earth Organic 5, which targets tomatoes, vegetables, and herbs. The main tradeoff is that correct application depends on following the bag directions, and the listed coverage is limited to 213 square feet.
Pros:- Suitable for vegetables, flowers, herbs, seed starting, trees, shrubs, and containers
- Feeds immediately and continues for up to three months
- OMRI listed for organic gardening
- Includes calcium, minor nutrients, and beneficial microbes
Cons:- Application amounts require careful use of the package instructions
- Coverage is specified as 213 square feet, which may not stretch across larger gardens
- Granules are less convenient than water-soluble fertilizer for feeding through routine watering
Best for: Home gardeners managing mixed beds and containers who want an OMRI-listed granular fertilizer with feeding that can last up to three months.
Not ideal for: Gardeners who need a narrowly targeted formula for a particular crop or prefer fertilizer that can be measured into each watering.
- Brand:Burpee
- Form:Granules
- Weight:4 lb
- Coverage:213 sq. ft.
- Feeding duration:Up to 3 months
- Organic certification:OMRI listed
- Pack count:1
Our verdict“Pick Burpee for broad garden use and less frequent feeding, provided you are comfortable measuring and spreading granules according to the label.”
Miracle-Gro Organic All Purpose Plant Food, 3 lb
Miracle-Gro Organic All Purpose Plant Food is aimed squarely at outdoor growers who want the same granular formula for vegetables, flowers, beds, and containers. It is OMRI Listed and feeds for up to three months, a low-maintenance approach similar to Burpee Natural Purpose. The supplied directions give practical measures for garden soil and a 6-inch potted plant, which can help newer gardeners portion applications. Its main limitation is scope: the product is identified for outdoor use, unlike Organic Plant Magic, which also covers indoor plants and can be mixed into watering. It also needs to be worked into the soil and watered after application, so it is not a quick pour-on option. For an outdoor container or bed, its clear use directions are a plus; for a mixed indoor collection, choose a more versatile formula.
Pros:- Suitable for outdoor vegetables, flowers, garden beds, and containers
- Feeds plants for up to three months
- OMRI Listed for organic use
- Provides application guidance for garden areas and 6-inch potted plants
Cons:- Intended for outdoor plants rather than indoor use
- Must be mixed into the soil and watered after application
- Listed coverage guidance is tied to specific application amounts, so treating larger areas requires measuring
Best for: Beginner outdoor gardeners with vegetables or flowers in beds and containers who want straightforward application amounts and feeding that lasts up to three months.
Not ideal for: Houseplant growers or gardeners seeking a fertilizer for both indoor and outdoor use; this product is intended for outdoor plants and must be worked into soil.
- Brand:Miracle-Gro
- Form:Granules
- Weight:3 lb
- Coverage:About 20 sq. ft. per 3/4–1 cup; 1 tablespoon per 6-inch potted plant
- Feeding duration:Up to 3 months
- Use:Outdoor in-ground and container plants
- Organic listing:OMRI Listed
- Model number:3035906
Our verdict“Choose this for outdoor beds and containers if you value clear portion guidance and do not need an indoor-plant fertilizer.”
Dr. Earth Organic 5 Tomato, Vegetable & Herb Fertilizer, 4 lb
Dr. Earth Organic 5 earns its place for gardeners focused on tomatoes, vegetables, and herbs rather than one all-purpose feed for every plant. Its granules release nutrients quickly and continue feeding for several months, while seven beneficial microbe strains and both ecto- and endo-mycorrhizae distinguish it from simpler options. The formula is described as 100% organic and natural and made without GMOs, chicken manure, or sewage sludge. Compared with Burpee Natural Purpose, which covers a wider range of ornamentals and woody plants and specifies a three-month duration, Dr. Earth is more crop-focused but gives no exact coverage area in the supplied data. True Organic Blood Meal is narrower still: its 12-0-0 formula targets leafy growth, while Dr. Earth is a broader fit for mixed edible gardens. Its crop focus is a drawback if you need one fertilizer for the whole yard.
Pros:- Formulated for tomatoes, vegetables, and herbs
- Nutrients release quickly and continue feeding for several months
- Includes seven beneficial microbe strains and ecto- and endo-mycorrhizae
- Made without GMOs, chicken manure, or sewage sludge
Cons:- More specialized than broad-use options such as Burpee Natural Purpose
- No coverage area or application rate is provided in the supplied product data
- No warranty is listed
Best for: Vegetable gardeners growing tomatoes, herbs, and mixed edible crops who want a crop-focused organic granular fertilizer with beneficial microbes and mycorrhizae.
Not ideal for: Gardeners seeking a single fertilizer for ornamental beds and a wide range of unrelated plants, or buyers who need a specified coverage area before application.
- Brand:Dr. Earth
- Model:704P
- Form:Granules
- Weight:4 lb (64 oz)
- Ingredients:100% organic and natural
- Beneficial microbes:Seven strains
- Mycorrhizae:Ecto- and endo-mycorrhizae
- Warranty:None
Our verdict“Choose Dr. Earth Organic 5 for a dedicated edible garden where its crop focus and soil-microbe additions matter more than all-yard versatility.”
True Organic Blood Meal Fertilizer, 3 lb
True Organic Blood Meal has a specialized job: supplying nitrogen for vigorous leafy growth in crops such as spinach, broccoli, and corn. Its 12-0-0 NPK ratio makes that focus plain, so it is a more targeted choice than Dr. Earth Organic 5, which is intended for tomatoes, vegetables, and herbs more broadly. The granules can be used in in-ground or container gardens, and one bag covers up to 104 square feet. That defined coverage helps with planning, but the formula is not balanced for every plant need: the zero phosphorus and potassium figures make it a poor stand-alone pick for gardeners wanting general-purpose feeding. The stated spring-and-fall application schedule is also less flexible than a fertilizer designed for repeated feeding. Choose it to address leafy growth, not as the only input for a diverse garden.
Pros:- High-nitrogen 12-0-0 formula supports leafy vegetative growth
- Suitable for in-ground and container plants
- Covers up to 104 square feet per 3 lb bag
- Specified for spring and fall application
Cons:- Not a balanced fertilizer for plants needing phosphorus and potassium
- More specialized than Dr. Earth Organic 5 for a varied edible garden
- Application timing is limited to the stated spring and fall schedule
Best for: Gardeners growing nitrogen-hungry leafy crops such as spinach and broccoli, or corn, who want a clearly targeted organic fertilizer for beds or containers.
Not ideal for: Buyers seeking an all-purpose fertilizer for mixed vegetables, flowers, and fruit; this 12-0-0 formula is aimed at vegetative growth rather than balanced nutrient needs.
- Brand:True Organic
- Form:Granules
- Weight:3 lb
- Coverage:Up to 104 sq. ft.
- NPK ratio:12-0-0
- Application:Spring and fall
- Suitable for:In-ground and container plants
- UPC:850010090078
Our verdict“Choose True Organic Blood Meal when leafy growth is the specific goal, but pair or replace it with a broader formula for mixed garden needs.”
How We Picked
I compared these 15 products by how clearly their format and intended use serve common garden needs: general feeding, vegetables and herbs, fruiting and flowering, soil improvement, or compact-space use. I weighed application convenience, versatility, package scale, and how much a formula’s specialization helps a buyer make a clear choice. Since product names and package details do not establish how a fertilizer will perform in every soil, I avoided treating organic status alone as proof of suitability.
The ranking favors options with a useful balance of broad applicability and an understandable role. Jobe’s larger all-purpose granular formula leads as a practical general pick; the vegetable-focused and liquid options follow for buyers whose needs are narrower or whose feeding routine differs. Specialized products, including blood meal and worm castings, rank lower as default recommendations because they serve a more limited purpose. I also distinguish the two Jobe’s package sizes by scale rather than treating them as separate formula types.
| organic fertilizer | Form |
|---|---|
| FoxFarm Big Bloom Liquid Plant | Liquid |
| Jobe’s Organics All-Purpose Gr | Granules |
| Brut Organic Worm Castings for | — |
| Down To Earth Organic Vegetabl | — |
| Espoma Organic Garden-Tone 3-4 | Powder |
| Farmer’s Secret Fruit & Bloom | Liquid |
| Smart Grower Organic Plant Foo | — |
| FOOP Organic All-Purpose Liqui | Liquid |
| Jobe’s Organics Granular All P | Granules |
| Back to the Roots Organic All- | — |
| Organic Plant Magic Fertilizer | Water-soluble powder |
| Burpee Natural Purpose Organic | Granules |
| Miracle-Gro Organic All Purpos | Granules |
| Dr. Earth Organic 5 Tomato | Granules |
| True Organic Blood Meal Fertil | Granules |
Factors to Consider When Choosing Best Organic Fertilizers
Before choosing a fertilizer, start with the plants and soil you actually have, then match the formula and application routine to them. These broader checks help prevent common mistakes that a product list alone cannot resolve.
Match the fertilizer to the job
Decide whether you need routine feeding, support for a particular crop group, or a soil amendment before comparing labels. General-purpose products can simplify care across mixed beds, but a targeted vegetable or fruit-and-bloom formula may make more sense when most of your planting has a shared need. A specialized ingredient such as blood meal should not be treated as a complete substitute for a balanced feeding plan. Likewise, worm castings serve a different role from a conventional granular plant food. A common mistake is buying a product because its name mentions a favored plant without checking whether its intended use fits the rest of the garden.
Choose a format you can apply consistently
Granular fertilizers are generally suited to gardeners who prefer less frequent, measured applications, while liquid products fit routines built around mixing and watering. Neither format is automatically better: application frequency and directions vary by product, so read the label rather than assuming all liquids act quickly or all granules release nutrients at the same rate. For containers, think about how easy it is to measure and apply the product without leaving residue or overdoing a dose. For large beds, consider whether repeated mixing or spreading is the more manageable task. The best format is the one you can use correctly on schedule.
Use soil information to avoid excess feeding
A soil test can reveal whether your garden needs added nutrients and can help identify imbalances that fertilizer alone will not fix. Without that information, applying several products together may add nutrients that are already present. This is particularly relevant when combining general-purpose food with a targeted amendment. Follow each label’s dose and timing, and do not assume an organic formula cannot harm plants if applied too heavily. When results are uncertain, a measured approach is more useful than stacking products.
Scale the package to your garden
Package size should reflect how much planting you feed and how often you expect to use the product. Larger bags can be practical for established beds, but may be awkward if you garden mainly in containers or only need a small amount for a short season. Compact packages are easier to store and portion, though they may not suit repeated use across a large plot. Check storage directions and keep fertilizers dry and contained after opening. Compare the quantity with the labeled application rate, not just the package’s stated weight.
Separate fertilizer from soil-building amendments
Not every product marketed for plants has the same purpose. Fertilizers supply nutrients, while soil amendments can contribute organic matter or support soil structure; some products may have overlapping roles, but they are not interchangeable by default. Worm castings, for example, are better evaluated as part of a broader soil-care plan than as the sole answer to every nutrient need. If your soil is compacted or low in organic matter, adding fertilizer alone may not address the underlying issue. Plan for soil structure and nutrient supply as related but distinct needs.
Pay for fit, not just a longer ingredient story
A specialized formula can be worthwhile when it closely matches the crops you grow, but specialization adds little if your garden needs general feeding. A broader product may reduce the number of separate fertilizers you keep on hand, while targeted products can make a crop-focused routine easier to organize. Compare intended use, instructions, package scale, and the needs of your plants before weighing extra features such as beneficial microbes. Do not assume a longer list of ingredients means a better match for your soil. Choose the simplest formula that addresses a real need without duplicating what you already apply.
Frequently Asked Questions
Can I use one all-purpose organic fertilizer for vegetables, flowers, and houseplants?
A general-purpose product can be convenient for mixed plantings, but one formula may not suit every crop or growing setup equally well. Check the label for the plants and application settings it covers, especially before using an outdoor garden product on houseplants or containers. Vegetables and herbs may benefit from a crop-focused option if that is where most of your fertilizer use will go. Avoid applying multiple formulas to compensate for uncertainty. If the label does not address your plant type, choose a product with clearer directions for that use.
Should I choose liquid or granular organic fertilizer?
Choose based on your preferred routine, the scale of your garden, and the directions on the specific product. Liquid products require measuring and mixing but can fit a regular watering schedule; granular products are spread or worked into the growing area according to their label. Do not assume either format needs the same application frequency across brands. Containers can make precise dosing especially important, while large beds may make spreading more convenient than mixing. Read the package directions before switching formats or substituting one product for another.
Is worm castings fertilizer enough for a vegetable garden?
Worm castings can contribute to soil care, but they should not automatically be treated as the only nutrient source for a vegetable garden. Crop needs, soil conditions, and the product’s label determine whether additional feeding is appropriate. A soil test helps identify whether your garden needs particular nutrients rather than relying on guesswork. You can use castings as part of a broader plan, but avoid combining them with several fertilizers without checking application guidance. For a crop-focused feeding choice, compare them with products specifically labeled for vegetables.
When is a specialized fertilizer a better choice than an all-purpose formula?
A specialized product makes more sense when a large share of your garden has a specific use, such as vegetables, herbs, or fruiting and flowering plants. It can help simplify decisions when the label directly matches your planting plan. If your garden contains a wide mix of plants, an all-purpose option may be easier to manage and store. Specialization alone does not guarantee a better result, especially if the formula does not match your soil or application needs. Check the intended crops and directions before replacing a general product.
Can I combine organic fertilizers, worm castings, and blood meal?
Combining products is not automatically beneficial and can add more nutrients than your plants or soil need. Worm castings, blood meal, and general-purpose fertilizers have different roles, so first identify what each would contribute to your plan. Check all product labels for rates, timing, and compatible uses, and use soil information to guide nutrient additions. Avoid applying several products at full rates simply because each is organic. If you are unsure, use one suitable product according to its directions and reassess before adding another.
Conclusion
For most gardeners seeking one versatile starting point, I recommend Jobe’s Organics All-Purpose Granular Fertilizer as the best overall pick. For best value in package scale, the Jobe’s Organics 4 lb option is the more practical fit for smaller gardens, while Dr. Earth Organic 5 is my best premium-style choice for buyers focused on tomatoes, vegetables, and herbs. Beginners can start with Back to the Roots Organic All-Purpose Plant Food for a straightforward general-purpose role, following the package directions closely. For specific needs, choose Down To Earth or Garden-Tone for edible crops, FoxFarm Big Bloom or FOOP if liquid feeding suits your routine, and Brut Worm Castings for soil-focused care. Match the choice to your plants, application habits, and soil needs rather than buying a specialized product without a clear reason.
Halloween Picks
halloween
As an affiliate, we earn on qualifying purchases.
