Top 30 Slow Release Garden Fertilizers on Amazon (Verified You can Buy)
Top 1
Fertilome (12140) Garden Cote Fertilizer 12-12-12 (1 lb.)
ferti-lome
12140
1.0 Pounds
Ratings for ferti-lome (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Truly-deal | - | ✅ | ✅ | ✅ |
| SGHP | 1,913 | ✅ | ✅ | ✅ |
| BEYOND YOUR HOME | 141 | ❌ | ❌ | ❌ |
Features
Micronutrients are released by moisture and soil temperature for longer lasting and greener plants.
Ideal for annuals, perennials, petunias, pansies, impatiens, garden vegetables, peppers and fruit.
Osmocote Smart-Release Plant Food Flower & Vegetable, 8 lb.
Osmocote
277960
4.25 x 7.0 x 13.5 inches
8.1 Pounds
Ratings for Osmocote (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Triplenet Pricing INC | 468 | ✅ | ✅ | ✅ |
Features
OSMOCOTE’S HIGHEST TOTAL NUTRIENT FORMULA: NPK = 14-14-14. Favored for seasonal vegetables and perennials. Promotes strong roots as well as vigorous and bountiful above-ground growth.
OSMOCOTE’S DIRECTIONS FOR USE: 1 lb. covers 40 sq. ft. (approx. 6½’ x 6½’). Mix into 1 – 3” of soil. Applicator included. Apply to vegetable gardens and mulched areas around ornamental trees / shrubs, and raised beds.
Top 3
Best Garden Fertilizers
Best for Flowers
Best for Trees & Shrubs
Best for Nitrogen
Best for Bag
Best for Fall
Best for Spring
Best for Summer
10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for Vegetables, Tomato, Arborvitae, Shrubs, Rose, Flowers, Fruit, Fig Trees (1/2 Quart)
GARDENWISE
10 10 10 Fertilizer
1.0 Pounds
Ratings for GARDENWISE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GardenWise | - | ❌ | ❌ | ❌ |
Features
🌿 Balanced 10-10-10 Granular Fertilizer for Outdoor & Indoor Plants: All-purpose plant food with 10% Nitrogen, 10% Phosphorus, and 10% Potassium. Perfect for outdoor vegetable gardens, fruit trees, evergreens, shrubs, lawns, and flowers. Also great for potted plants and indoor gardening. One solution for all your plant needs!
⏳ Slow-Release Formula for Continuous Outdoor Feeding: Provides up to 8 weeks of sustained nutrition with fewer applications. Ideal for outdoor lawns, vegetable gardens, fruit trees, and flowering plants. Apply twice per season for gardens and three times per year for trees and shrubs. Less work, more growth!
Top 4
Best for Osmocote
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor1 - Granular, Continuous Release Plant Fertilizer with 11 Essential Nutrients, 1 lb.
Osmocote
2345212
2.57 x 3.2 x 5.66 inches
1.0 pounds
Ratings for Osmocote (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
CONTINUOUS RELEASE NUTRITION: Osmocote Smart-Release Plant Food Plus Outdoor & Indoor1 granular fertilizer contains 11 essential nutrients and feeds live plants up to 6 full months
USE WITH VIRTUALLY ALL PLANTS: This plant food for houseplants, flowers, vegetables, trees, shrubs, roses, and more works in virtually all growing conditions both indoors and outdoors, in containers, raised beds, and in-ground garden.
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor1 - Granular, Continuous Release Plant Fertilizer with 11 Essential Nutrients, 2 lbs.
Osmocote
2345012
3.65 x 2.5 x 8.9 Inches
2.0 pounds
Ratings for Osmocote (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| AbsoluteProductsStore | 3,429 | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
CONTINUOUS RELEASE NUTRITION: Osmocote Smart-Release Plant Food Plus Outdoor & Indoor1 granular fertilizer contains 11 essential nutrients and feeds live plants up to 6 full months
USE WITH VIRTUALLY ALL PLANTS: This plant food for houseplants, flowers, vegetables, trees, shrubs, roses, and more works in virtually all growing conditions both indoors and outdoors, in containers, raised beds, and in-ground garden.
Top 6
RAINFLOW 11.28OZ Slow Release Fertilizer - 17-17-17 Organic Plant Food All Purpose Plant Fertilizer for Most Potted,Fruit & Vegetable,Bulbs,Flowering,Leafy Plants Indoor & Outdoor Garden Fertilizers
RAINFLOW
LZH-Fertilizer
Ratings for RAINFLOW (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| RAINFLOW | - | ❌ | ❌ | ❌ |
| KEPPO2323Qda | - | ❌ | ❌ | ❌ |
Features
Balanced Nitrogen Fertilizer Formula: This slow release fertilizer contains 17-17-17 NPK to provide complete nutritional support for lush foliage and healthy plant growth and is suitable for various gardening and agricultural needs
Organic Fertilizer for Plants: Our organic plant food is made with a special slow release technology that releases nutrients for up to 60 days, reducing the frequency of fertiliser applications and saving time and effort
Scotts All Purpose Flower and Vegetable Continuous Release Plant Food, For Outdoor In-Ground Plants, 3 lb.
Scotts
300900
3.0 x 5.5 x 9.5 inches
3.0 pounds
Ratings for Scotts (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Scotts All Purpose Flower & Vegetable Continuous Release Plant Food promotes beautiful flowers and abundant harvests
This flower and vegetable food provides continuous release nitrogen feeding for up to 2 months
Top 8
Best for Trees & Shrubs
10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for Vegetables, Tomato, Arborvitae, Shrubs, Rose, Flowers, Fruit, Fig Trees (1 Quart)
GARDENWISE
10 10 10 Fertilizer
2.0 pounds
Ratings for GARDENWISE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GardenWise | - | ❌ | ❌ | ❌ |
Features
🌿 Balanced 10-10-10 Granular Fertilizer for Outdoor & Indoor Plants: All-purpose plant food with 10% Nitrogen, 10% Phosphorus, and 10% Potassium. Perfect for outdoor vegetable gardens, fruit trees, evergreens, shrubs, lawns, and flowers. Also great for potted plants and indoor gardening. One solution for all your plant needs!
⏳ Slow-Release Formula for Continuous Outdoor Feeding: Provides up to 8 weeks of sustained nutrition with fewer applications. Ideal for outdoor lawns, vegetable gardens, fruit trees, and flowering plants. Apply twice per season for gardens and three times per year for trees and shrubs. Less work, more growth!
Top 9
Best for FoxFarm
FoxFarm FX14620 Happy Frog All-Purpose Fertilizer, 4 lb Bag Nutrients
FoxFarm
Fox Farm - 175-50054 - 4lb
0.0 x 0.0 x 0.0 inches
4.0 Pounds
Ratings for FoxFarm (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Sweetner | 2,091 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| MIMIC LLC | 7,188 | ❌ | ❌ | ❌ |
Features
READY TO USE: Happy Frog Fertilizer features a ready-to-use blend of fertilizers and soil microbes
ORGANIC APPROVED: OMRI-listed formula includes nitrogen for robust vegetable, annual, and perennial flower growth
RAINFLOW 90PCS Slow Release Fertilizer Spikes for Indoor Plants - Long Lasting Plant Food Spikes for Houseplants Orchids Potted Plants, Easy to Use Fertilizer Sticks for Indoor Flowers Foliage Growth
RAINFLOW
Ratings for RAINFLOW (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| KEPPO2323Qda | - | ❌ | ❌ | ❌ |
| xgsffff | - | ❌ | ❌ | ❌ |
Features
Indoor Plant Care: Indoor plant fertilizer sticks feed your indoor plants steadily for up to 6 months, delivering balanced nutrients to support strong roots, healthy growth, and vibrant houseplants with less frequent feeding
Easy To Use: Designed as easy to use plant food sticks, simply insert the plant fertilizer spikes into soil around potted plants for clean, mess-free feeding.This convenient method is perfect for beginners, busy plant lovers, and home gardeners
Top 11
Best for Osmocote
Osmocote Smart-Release Plant Food Flower & Vegetable, 4.5 lb.
Osmocote
277860
4.1 x 7.5 x 10.0 inches
5.05 pounds
Ratings for Osmocote (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Promotes vigorous top-growth, strong root development
A must-have for vegetable gardeners
Top 12
Best Garden Fertilizers
Best for Down To Earth All Natural Fertilizers
Best for Vegetables
Best for Box
Best for Fall
Best for Spring
Best for Summer
Best for Natural
Best for Organic
Down to Earth Organic Vegetable Garden Fertilizer 4-4-4, 5lb
Down To Earth All Natural Fertilizers
100532059
1.0 x 1.0 x 1.0 inches
5.0 Pounds
Ratings for Down To Earth All Natural Fertilizers (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| A Natural Lifestyle | 1,622 | ✅ | ✅ | ✅ |
| UsaHydroGardening | - | ✅ | ✅ | ✅ |
| Kwik Retail | 2,200 | ❌ | ❌ | ❌ |
Features
Down to Earth Vegetable Garden is a five pound box of all natural fertilizer with 4-4-4 formula
This veggie fertilizer provides the perfect start for your sprightly spring greens, it gives your summer tomatoes super-powers, and it's fantastic for growing your favorite frangrant herbs
Milorganite All-Purpose Eco-Friendly Slow-Release Nitrogen 6-4-0 Fertilizer, 32 lb Bag - for Lawns, Flowers, and Gardens - Includes Bonus Feeding & Spreader Tips Brochure
Milorganite
MIL-32-L
17.0 x 5.0 x 23.0 inches
32.0 pounds
Ratings for Milorganite (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Esbenshades Garden Center | 1,269 | ❌ | ❌ | ❌ |
Features
Bonus brochure includes seasonal application timing, spreader settings, and tips for lawns, gardens, and trees.
You don’t have to worry about streaks, stripes, or accidentally burning your lawn when you use Milorganite fertilizer!
Top 14
Best for Schultz
Schultz SPF48340 Slow-Release ACR Fertilizer, 3.5 Lbs, 56 Ounce
Schultz
SCHULTZ - SPF48340
11.5 x 9.75 x 6.63 inches
1.0 pounds
Ratings for Schultz (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Gatzies | 118 | ✅ | ✅ | ✅ |
| Amazon.com | - | ✅ | ✅ | ✅ |
| What America Buys | 478 | ❌ | ❌ | ❌ |
| Monster Pets | 144 | ❌ | ❌ | ❌ |
Features
Country Of Origin: United States
Model Number: SPF48340
GroMaster Fertilizer 10-10-10 All Purpose Plant Food, 5 lb, with Slow-Release Nitrogen, for Vegetable Gardens and Mixed Plantings
GroMaster Fertilizer
5.0 pounds
Ratings for GroMaster Fertilizer (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GroMaster Fertilizer | - | ❌ | ❌ | ❌ |
Features
BALANCED 10-10-10 FORMULA: Delivers equal parts nitrogen, phosphorus, and potassium for all-purpose plant nutrition supporting roots, growth, and harvests.
SLOW-RELEASE NITROGEN: Features 50% slow-release nitrogen that feeds plants steadily for up to 3 months, reducing the risk of fertilizer burn.
Top 16
Best for Milorganite
Milorganite All-Purpose Eco-Friendly Slow-Release Salt-Free Nitrogen 6-4-0 Fertilizer Plant Food, Covers 2,500 Sq. Ft, for Flowers, Gardens, and Lawns, 5 Pound Bag
Milorganite
5205
13.1 x 6.3 x 3.7 inches
5.0 Pounds
Ratings for Milorganite (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| wdtrends | - | ✅ | ✅ | ✅ |
| BEYOND YOUR HOME | 141 | ✅ | ✅ | ✅ |
| Esbenshades Garden Center | 1,269 | ❌ | ❌ | ❌ |
Features
Milorganite provides the nutrients every garden needs to grow the biggest and greatest abundance of fruits, flowers, and vegetables! Composed of microbes that haven eaten well, died, and been dried.
Can be safely used in lawns, flowers, shrubs, trees and fruit and vegetable gardens, promoting strong roots and sturdier stems. Slow-release fertilizer that feeds for up to 8-10 weeks after application, and does not need to be watered-in.
Jobe's, 02010 Fertilizer Spikes, Tree and Shrub, 5 Count
Jobe's Organics
02010
7.5 x 6.3 x 1.3 inches
1.21 Pounds
Ratings for Jobe's Organics (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| GNS Products Limited | 7,376 | ❌ | ❌ | ❌ |
| Shop Avaaya | - | ❌ | ❌ | ❌ |
| EstBuy Trading | 7,582 | ❌ | ❌ | ❌ |
Features
THE IDEAL FERTILIZER SPIKE for Trees and Shrubs including all types of deciduous trees/shrubs, Hydrangeas, Honeysuckle, Dogwood, Hibiscus, and more
SLOW RELEASE: Jobe's fertilizer spikes are slow release, meaning that they release a small steady amount of nutrients to your plants over time to keep your plants happy and healthy all season long
Top 18
Best for Osmocote
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor - Granular, Continuous Release Plant Fertilizer with 11 Essential Nutrients, 1 lb.
Osmocote
274150
2.57 x 3.2 x 5.66 inches
0.0006 pounds
Ratings for Osmocote (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
CONTINUOUS RELEASE NUTRITION: Osmocote Smart-Release Plant Food Plus Outdoor & Indoor granular fertilizer contains 11 essential nutrients and feeds live plants up to 6 full months
USE WITH VIRTUALLY ALL PLANTS: This plant food for houseplants, flowers, vegetables, trees, shrubs, roses, and more works in virtually all growing conditions both indoors and outdoors, in containers, raised beds, and in-ground garden.
Top 19
Best for Jobe's
Best for Vegetables
Best for Nitrogen
Best for Bag
Best for Box
Best for Fall
Best for Spring
Best for Summer
Best for Organic
Best for Ready For Use
Jobe’s Organics 09026 Fertilizer, 4 lb
Jobe's Organics
09026
3.5 x 7.0 x 13.5 Inches
4.0 pounds
Ratings for Jobe's Organics (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
Organic granular fertilizer; Fast acting fertilizer for vegetables and tomatoes for a more abundant harvest
OMRI listed for organic gardening by USDA; Certified organic means no synthetic chemicals
Top 20
RAINFLOW 11.28 OZ White Slow Release Fertilizer - Organic Plant Food All Purpose Plant Fertilizer for Succulents Cactus Orchid Bonsai and All Other Plants Outdoor & Indoor Garden Fertilizer
RAINFLOW
Ratings for RAINFLOW (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| KEPPO2323Qda | - | ❌ | ❌ | ❌ |
Features
Balanced Nutrient Formula: This slow release fertilizer contains 14-13-13 NPK to provide comprehensive nutritional support to promote healthy plant growth and is suitable for various gardening and agricultural needs
Organic Fertilizer for Plants: Our organic plant food is made with a special slow release technology that releases nutrients for up to 180 days, reducing the frequency of fertiliser applications and saving time and effort
Scotts Evergreen Flowering Tree & Shrub Continuous Release Plant Food 3-Pound
Scotts
200910
3.0 x 5.5 x 9.5 Inches
3.0 pounds
Ratings for Scotts (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
Excellent for evergreens, dogwoods, hydrangeas, magnolias and many other acid-loving trees and shrubs
Encourages vigorous root growth and lush foliage
Top 22
RAINFLOW 11.28 OZ Slow Release Fertilizer - Organic Plant Food All Purpose Plant Fertilizer for Succulents Cactus Orchid Bonsai and All Other Outdoor & Indoor Garden
RAINFLOW
LZH-Fertilizer-02
Ratings for RAINFLOW (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| xgsffff | - | ❌ | ❌ | ❌ |
| KEPPO2323Qda | - | ❌ | ❌ | ❌ |
Features
Balanced Nutrient Formula: This slow release fertilizer contains 14-13-13 NPK to provide comprehensive nutritional support to promote healthy plant growth and is suitable for various gardening and agricultural needs
Organic Fertilizer for Plants: Our organic plant food is made with a special slow release technology that releases nutrients for up to 180 days, reducing the frequency of fertiliser applications and saving time and effort
Top 23
Bio-Active Plant Fertilizer Granular 6-5-6 Slow Release Carbon Enhanced Garden Fertilizer, Humic & Mycorrhizae – All Purpose Plant Food for Gardens, Indoor & Outdoor Plants, Smart Grower Genius+ 200g
Smart Grower
0.4409 Pounds
Ratings for Smart Grower (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Smart Grower Blends | - | ❌ | ❌ | ❌ |
Features
3-in-1 Plant Superfood – A balanced 6-5-6 NPK combined with 24% active carbon, 5% humic acid, mycorrhizal fungi, and beneficial microbes to support soil biology, root development, and nutrient uptake going beyond basic plant food for full-spectrum plant nutrition.
Slow-Release Granular Feeding – This advanced slow release plant fertilizer delivers steady nutrition over time with no spikes or burn when used as directed. Each homogenous prill contains complete nutrients for consistent even feeding ideal plant food for vegetable gardens, flower beds, and indoor or outdoor plants.
Top 24
Osmocote Smart-Release Plant Food, Flower & Vegetable, Plant Food for Vegetables and More, 2 lb.
Osmocote
277260
3.24 x 4.32 x 8.95 inches
2.1 pounds
Ratings for Osmocote (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
OSMOCOTE’S HIGHEST TOTAL NUTRIENT FORMULA: NPK = 14-14-14. Favored for seasonal vegetables and perennials. Use this plant food outdoors to promote strong roots as well as vigorous and bountiful above-ground growth.
OSMOCOTE’S DIRECTIONS FOR USE: 1 lb. covers 40 sq. ft. (approx. 6½’ x 6½’). Mix into 1 – 3” of soil. Applicator included. Apply this vegetable and flower food to vegetable gardens and mulched areas around ornamental trees / shrubs, and raised beds.
Top 25
Best for Miracle-Gro
Best for Flowers
Best for Vegetables
Best for Box
Best for Spring
Best for Summer
Best for Organic
Miracle-Gro Organic All Purpose Plant Food - Garden Fertilizer for Outdoor Vegetables, Flowers, Container and In-Ground Plants, Feeds up to 3 Months, OMRI Listed, 3 lb.
Miracle-Gro
3035906
2.9 x 8.8 x 10.6 inches
3.08 Pounds
Ratings for Miracle-Gro (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
HOW TO APPLY: To apply, simply shake granules evenly on the soil, mix into the top 1-3 inches of soil in gardens or throughout the soil for potted plants, and water to start feeding
COVERAGE: Approximately 3/4 - 1 cup of this organic plant food covers 20 sq. ft. of in-ground soil area, or 1 tbsp feeds one 6-inch potted plant
Top 26
CountryMax Organic Garden Fertilizer 20 lb 5-10-5 Plant Food Slow Release | Supports steady plant growth with balanced nutrition for healthier vegetables, flowers and ornamentals throughout the season
CountryMax
20.0 pounds
Ratings for CountryMax (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| CountryMax Stores | 3,165 | ❌ | ❌ | ❌ |
Features
[ORGANIC GARDEN FORMULA]: Balanced 5-10-5 fertilizer designed to support healthy vegetables, vibrant flowers, and thriving ornamental plants in home gardens
[ESSENTIAL PLANT NUTRITION]: Fortified NPK formula delivers key nutrients to promote stronger roots, healthy blooms, and productive vegetable growth in various soil conditions
Top 27
FoxFarm FX14610 Happy Frog Acid Loving Plants Fertilizer, 4 lb Bag Nutrients
FoxFarm
FX14610
6.3 x 4.1 x 10.8 Inches
4.0 Pounds
Ratings for FoxFarm (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| BEYOND YOUR HOME | 141 | ✅ | ✅ | ✅ |
| MIMIC LLC | 7,188 | ❌ | ❌ | ❌ |
Features
Rhododendrons, azaleas, hydrangeas, and other acid-loving plants have special nutritional needs.
FoxFarm's Acid Loving Plants Fertilizer provides gentle slow-release nutrition for plants that require a low pH.
Top 28
Best for Schultz
Schultz 018062 Spf48100 Slow-Release Vegetable Fertilizer 3.5 Lbs
Schultz
Schultz - SPF48100
11.5 x 9.75 x 6.63 inches
1.0 Pounds
Ratings for Schultz (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| PLEXSUPPLY. | 245 | ✅ | ✅ | ✅ |
| BEYOND YOUR HOME | 141 | ✅ | ✅ | ✅ |
| Moofin | 1,952 | ✅ | ✅ | ✅ |
| AbsoluteProductsStore | 3,429 | ❌ | ❌ | ❌ |
Features
Schultz vegetable fertilizer
For growing delicious tomatoes and vegetables
Top 29
Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag]
Organic Plant Magic
OPM-FGSPF-4Lb-FBA
8.0 x 12.0 x 4.0 inches
4.0 pounds
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #1](https://m.media-amazon.com/images/I/51HyQUTD-WL._SL600_.jpg)
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #2](https://m.media-amazon.com/images/I/51O0uGW7-iL._SL600_.jpg)
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #3](https://m.media-amazon.com/images/I/51GtrMeVYVL._SL600_.jpg)
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #4](https://m.media-amazon.com/images/I/517-YAiEvFL._SL600_.jpg)
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #5](https://m.media-amazon.com/images/I/515AsP3ycBL._SL600_.jpg)
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #6](https://m.media-amazon.com/images/I/512XKIosubL._SL600_.jpg)
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #7](https://m.media-amazon.com/images/I/51BYAHFR3+L._SL600_.jpg)
![Organic Plant Magic - Truly Organic™ Slow Release Granular Fertilizer : Long-Lasting Plant Food Granules for All Indoor & Outdoor Flowers, Vegetable Gardens, Herbs, Fruit Trees, Shrubs, Lawns & House Plants [One 4 lb Bag] #8](https://m.media-amazon.com/images/I/51U2jMtLKTL._SL600_.jpg)
Ratings for Organic Plant Magic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| organicplantmagic | - | ✅ | ✅ | ✅ |
Features
New Spreadable Fertilizer Granules - Amazing Benefits that Plants & Customers LOVE!
EASY & ALL PURPOSE - Simply grow healthy plants and beautiful gardens... Just add granules to planting holes, mix with soil, or top dress soil by hand or spreader. Works for everyone, every plant, everywhere, every time!
Top 30
Best for Iron Sulfate
GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)
GARDENWISE
GRN-08-04-08-HDR
0.75 Pounds
Ratings for GARDENWISE (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| GardenWise | - | ❌ | ❌ | ❌ |
Features
🌸 SPECTACULAR BLOOMS ALL YEAR: Promote vivid flowers with our balanced 8-4-8 formula, enriched with iron and sulfur for enhanced soil acidity and brighter, healthier blooms.
🌱 TAILORED FOR ACID-LOVING PLANTS: Ideal for hydrangeas, azaleas, camellias, and magnolias, providing essential nutrients for lush foliage and robust health.
Top 10 Slow Release Garden Fertilizers - Verified to Buy (October 2026)
- 1. Fertilome (12140) Garden Cote Fertilizer 12-12-12 (1 lb.)
- 2. Osmocote Smart-Release Plant Food Flower & Vegetable, 8 lb.
- 3. 10-10-10 Plant Fertilizer Slow Release - 10 10 10 All...
- 4. Osmocote Smart-Release Plant Food Plus Outdoor & Indoor1 - Granular,...
- 5. Osmocote Smart-Release Plant Food Plus Outdoor & Indoor1 - Granular,...
- 6. RAINFLOW 11.28OZ Slow Release Fertilizer - 17-17-17 Organic Plant Food...
- 7. Scotts All Purpose Flower and Vegetable Continuous Release Plant Food,...
- 8. 10-10-10 Plant Fertilizer Slow Release - 10 10 10 All...
- 9. FoxFarm FX14620 Happy Frog All-Purpose Fertilizer, 4 lb Bag Nutrients
- 10. RAINFLOW 90PCS Slow Release Fertilizer Spikes for Indoor Plants -...
Top 10 Slow Release Garden Fertilizers Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- ferti-lome
- Osmocote
- GARDENWISE
- RAINFLOW
- Scotts
- FoxFarm
- Down To Earth All Natural Fertilizers
- Milorganite
- Schultz
- GroMaster Fertilizer
Related Slow Release Garden Fertilizers Guides
For more personalized Slow Release Garden Fertilizers guides, Check those pages,
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Top 10 Slow Release Garden Fertilizers Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Gatzies : 260,443 Yearly Feedback , Avg. Ratings 4.6
- 2. BEYOND YOUR HOME : 223,768 Yearly Feedback , Avg. Ratings 4.9
- 3. Monster Pets : 221,108 Yearly Feedback , Avg. Ratings 4.9
- 4. PLEXSUPPLY. : 148,593 Yearly Feedback , Avg. Ratings 4.8
- 5. Triplenet Pricing INC : 90,483 Yearly Feedback , Avg. Ratings 4.6
- 6. What America Buys : 89,037 Yearly Feedback , Avg. Ratings 4.6
- 7. Esbenshades Garden Center : 41,620 Yearly Feedback , Avg. Ratings 4.8
- 8. A Natural Lifestyle : 34,742 Yearly Feedback , Avg. Ratings 4.9
- 9. SGHP : 30,248 Yearly Feedback , Avg. Ratings 4.4
- 10. Moofin : 29,785 Yearly Feedback , Avg. Ratings 4.8
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Gatzies | 260,443 | 4.6 |
| 🥈 | BEYOND YOUR HOME | 223,768 | 4.9 |
| 🥉 | Monster Pets | 221,108 | 4.9 |
| 4 | PLEXSUPPLY. | 148,593 | 4.8 |
| 5 | Triplenet Pricing INC | 90,483 | 4.6 |
| 6 | What America Buys | 89,037 | 4.6 |
| 7 | Esbenshades Garden Center | 41,620 | 4.8 |
| 8 | A Natural Lifestyle | 34,742 | 4.9 |
| 9 | SGHP | 30,248 | 4.4 |
| 10 | Moofin | 29,785 | 4.8 |
[Get] Slow Release Garden Fertilizers Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime Slow Release Garden Fertilizers Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Gardening supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Slow Release Garden Fertilizers to buy for new October 2026?
CherryPicks’s Methodology for Evaluating Slow Release Garden Fertilizers
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Gardening items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 306 of Slow Release Garden Fertilizers reviews based on our selection criteria. It helped us shortlist the top qualified and rated Slow Release Garden Fertilizers for Gardening, We found that most customers choose Slow Release Garden Fertilizers with an average price of $16.54, and the top brands are Miracle-Gro, Schultz And CountryMax.
Then our expert-level editors reviewed all those quality items and selected the top 30 Slow Release Garden Fertilizers for you, We have researched hundreds of sellers and picked the top sellers for Gardening, including Gatzies, BEYOND YOUR HOME, Monster Pets, PLEXSUPPLY., Triplenet Pricing INC, What America Buys, Esbenshades Garden Center, A Natural Lifestyle, SGHP, Moofin, Sweetner And Kwik Retail. The Fertilome (12140) Garden Cote Fertilizer 12-12-... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 38 consumers with an average rating of 4.8.
We've helped a lot of satisfied users get the right Patio, Lawn & Garden product based on their needs, and save lots of time for them to pick Slow Release Garden Fertilizers to buy.
Jody is a freelance writer, a martial artist, and a video game player. He has a passion for greens and keeping the lawn neatly kept. He joined the team of our writers to provide a guide on how to keep the lawn, patio, and garden presentable.