Best Time Release Fertilizer

Peter | 06-01-2026

With so many Best Time Release Fertilizer brands on the market – from big names like Osmocote,Miracle-Gro to smaller companies – finding the right product can be a real challenge. But we’re here to make your search easier.

We carefully researched and tested a vast range of Best Time Release Fertilizer to help you discover the top contenders that match different needs and preferences. Altogether, we spent over 100 hours evaluating numerous products first-hand.

Our #1 best Best Time Release Fertilizer is Osmocote Best Time Release Fertilizer, based on its stellar performance across all our tests. Below you’ll find more of our top-rated recommendations for great Best Time Release Fertilizer options currently available. Make sure to check out our buying guide too – it’s full of expert advice for choosing a Best Time Release Fertilizer tailored to exactly what you’re looking for. With our help guiding your decision, finding your perfect fit will be a breeze!

Editor's Choice
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential
Premium Pick
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential
Budget Pick
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 1 lb.
Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 1 lb.

Top 9 Best Time Release Fertilizer

We researched and compared the top products in the Best Time Release Fertilizer category to provide you with these recommendations.

1. Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential

Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential
9.8

Osmocote

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  • Osmocote Smart-Release Plant Food Plus Outdoor & Indoor granular plant food contains 11 essential nutrients and feeds live plants up to 6 full months
  • This fertilizer works with virtually all plant varieties and growing conditions
  • Each granule is coated with a unique resin that controls nutritional release so plants get what they need when they need it
  • Osmocote offers a no-burn pledge, when used as directed
  • One 8 lb. container of Osmocote Smart-Release Plant Food Plus Outdoor & Indoor covers up to 300 sq. ft.

2. Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential

Osmocote Smart-Release Plant Food Plus Outdoor & Indoor₁, Granular Fertilizer with 11 Essential
9.8

Osmocote

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  • Osmocote Smart-Release Plant Food Plus Outdoor & Indoor granular plant food contains 11 essential nutrients and feeds live plants up to 6 full months
  • This fertilizer works with virtually all plant varieties and growing conditions
  • Each granule is coated with a unique resin that controls nutritional release so plants get what they need when they need it
  • Osmocote offers a no-burn pledge, when used as directed
  • One 2 lb. container of Osmocote Smart-Release Plant Food Plus Outdoor & Indoor covers up to 75 sq. ft.

3. Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 1 lb.

Osmocote Smart-Release Plant Food Plus Outdoor & Indoor, 1 lb.
9.1

Osmocote

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  • Our best formula, fortified with 11 essential nutrients
  • Works with virtually all plant varieties, in all growing conditions
  • Feeds up to 6 full months
  • Apply with confidence to potted plants, indoors or outdoors
  • No-burn pledge when used as directed

4. Miracle-Gro Shake 'N Feed All Purpose Plant Food, For In-Ground and Container Plants, Feeds for up

Miracle-Gro Shake 'N Feed All Purpose Plant Food, For In-Ground and Container Plants, Feeds for up
8.9

Miracle-gro

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  • Miracle-Gro Shake 'N Feed All Purpose Plant Food feeds plants for up to 3 months, and nourishes above and below the soil
  • This plant food contains vital micronutrients to grow stronger, vibrant, and more productive plants (vs unfed plants)
  • Use this all-purpose plant food with most plants, whether indoor or outdoor container plants or in-ground plants, and most plant types, including flowers, vegetables, and herbs
  • Apply this garden product evenly onto the soil and work into the top 1-3 inches of soil for in-ground plants, or lightly work into the soil of established container plants; water to start feeding
  • Reapply Miracle-Gro Shake 'N Feed All Purpose Plant Food every 3 months and water regularly for a beautiful garden all season long
  • Contains natural ingredients that help feed and nourish above and below the soil

5. Osmocote Smart-Release Plant Food Flower & Vegetable, 2 lb.

Osmocote Smart-Release Plant Food Flower & Vegetable, 2 lb.
8.9

Osmocote

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  • Promotes vigorous top-growth, strong root development
  • A must-have for vegetable gardeners
  • Ideal for perennials
  • Formulated for flavorful vegetables and colorful blooms
  • Feeds up to 4 full months

6. Osmocote Smart-Release Plant Food Flower & Vegetable, 8 lb.

Osmocote Smart-Release Plant Food Flower & Vegetable, 8 lb.
8.5

Osmocote

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  • OSMOCOTES 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
  • OSMOCOTES DIRECTIONS FOR USE: 1 lb. covers 40 sq. ft. (approx. 6 x 6). Mix into 1 3 of soil. Applicator included. Apply to vegetable gardens and mulched areas around ornamental trees / shrubs, and raised beds
  • OSMOCOTE QUALITY: Osmocote is the original slow-release plant food. Decades of rigorous field testing confirm product effectiveness with hundreds of plant species in a variety of climate and soil conditions
  • OSMOCOTES SECRET: Soil temperature controls how Osmocote releases its nutrients, and importantly how nutrients are taken up by the plant. Replenishment and feeding are in natural harmony
  • OSMOCOTE IS MISTAKE-PROOF: Even if over-applied up to 3x the recommended rate, Osmocote does not burn the plant

7. 10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for

10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for
8.3

Gardenwise

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  • 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!
  • Promotes Strong Roots, Lush Growth, and Vibrant Outdoor Blooms: Phosphorus supports root health, Nitrogen fuels lush green leaves, and Potassium enhances plant resilience. Perfect for outdoor flowers, tomatoes, peppers, roses, evergreens, and shrubs. Enjoy thriving plants, colorful blooms, and abundant harvests!
  • Easy-to-Apply Granules for Even Outdoor Coverage: Fine granules spread evenly for maximum soil absorption in outdoor gardens, lawns, and landscapes. Ideal for pines, oaks, banana trees, fig trees, and ornamentals. Just spread, water, and watch your outdoor garden flourish!
  • Quick-Release Nitrogen for Immediate Outdoor Results: Instant nitrogen boost for rapid growth, combined with slow-release feeding for lasting results. Perfect for outdoor grass lawns, evergreen trees, flowering plants, and vegetables. See your outdoor garden thrive quickly and sustainably!

8. GreenView Multi-Purpose Fertilizer, 33 lb. Bag - NPK 10-10-10

GreenView Multi-Purpose Fertilizer, 33 lb. Bag - NPK 10-10-10
8

Greenview

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  • 10-10-10 NPK balanced formulation
  • Complete, all-purpose fertilizer
  • Excellent for use on vegetables, flowers, trees, shrubs, and ornamental gardens
  • A general purpose formula containing the important nutrients needed by most plants
  • See label for coverage amount dependent on plant type

9. 10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for

10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for
7.9

Gardenwise

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  • 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!
  • Promotes Strong Roots, Lush Growth, and Vibrant Outdoor Blooms: Phosphorus supports root health, Nitrogen fuels lush green leaves, and Potassium enhances plant resilience. Perfect for outdoor flowers, tomatoes, peppers, roses, evergreens, and shrubs. Enjoy thriving plants, colorful blooms, and abundant harvests!
  • Easy-to-Apply Granules for Even Outdoor Coverage: Fine granules spread evenly for maximum soil absorption in outdoor gardens, lawns, and landscapes. Ideal for pines, oaks, banana trees, fig trees, and ornamentals. Just spread, water, and watch your outdoor garden flourish!
  • Quick-Release Nitrogen for Immediate Outdoor Results: Instant nitrogen boost for rapid growth, combined with slow-release feeding for lasting results. Perfect for outdoor grass lawns, evergreen trees, flowering plants, and vegetables. See your outdoor garden thrive quickly and sustainably!

Peter

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