Top 7 Slow Release Outdoor Plant Fertilizer – Garden Fertilizers

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1. Osmocote


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

Osmocote #ad - Feeds up to 6 full months. Works with virtually all plant varieties, in all growing conditions. Our best formula, fortified with 11 essential nutrients. Apply with confidence to potted plants, indoors or outdoors. No-burn pledge when used as directed.
BrandOsmocote #ad
ManufacturerScotts Miracle-Gro #ad
Height8.9 Inches
Length3.65 Inches
Weight2.2 Pounds
Width2.5 Inches
Part Number274250

2. Schultz


3.5 Lbs, Schultz 018061 Spf48640 All Purpose Slow-Release Plant Food

Schultz #ad - For growing delicious tomatoes and vegetables. Slow release easy to use. Schultz vegetable fertilizer.
BrandSchultz #ad
ManufacturerSchultz #ad
Height6.63 Inches
Length11.5 Inches
Weight3.66 Pounds
Width9.75 Inches
Part Number018061

3. Scotts


Scotts All Purpose Flower and Vegetable Continuous Release Plant Food 3 Pounds Per Bag 2 Pack

Scotts #ad - Feeds up to 2 months. Easy to use - simply apply directly to soil. Delivers nourishment to your plants, encouraging vigorous root growth and lush foliage. Safe - won't burn your plants when used as directed based on manufacturer's direction for use. Promotes beautiful Flowers and Abundant Harvests.
BrandScotts #ad
ManufacturerScotts #ad
Height3.5 Inches
Length6 Inches
Width8 Inches
Part Number4336441222

4. Miracle-Gro


8 lb, Miracle-Gro 3002010 Shake 'N Feed All Purpose Continuous Release Plant, Brown/A

Miracle-Gro #ad - Contains natural ingredients that help feed and nourish above and below the soil; Feeds up to 3 months. Full of essential nutrients that help feed and nourish above and below the soil. Guaranteed not to burn when used as directed. Contains vital micronutrients to grow stronger, vibrant and more productive plants versus unfed plants. For use in ground and in containers.
BrandMiracle-Gro #ad
ManufacturerMiracle-Gro #ad
Height7 Inches
Length4.25 Inches
Weight8 Pounds
Width13.5 Inches
Part Number3002010

5. The Grow Co


Fiddle Leaf Fig Tree Plant Food, Slow Release Fertilizer Pellets for Potted Figs, Steady Nutrients to Grow Healthy Indoor and Outdoor Ficus Plants 5 oz

The Grow Co #ad - Gentle, steady feeding - a great alternative to liquid fertilizers that can cause overwatering, our fertilizer pellets added to your plant pot gradually feed with every watering, protecting your delicate houseplant from fertilizer burns and strengthening your plant to prevent soggy roots.

This fertilizer works well for all types of ficus trees in various potting soils: Ficus Lyrata Fiddle Leaf, Ficus Elastica, Ficus Audrey, Rubber Tree or Rubber Plant Ficus Benjamina Weeping Fig, Ficus Religiosa Sacred Fig, Alli Narrow Leaf and more!. Delivers the essential nutrients your plants crave that's lacking from standard organic soil mixes in pots and planters. Essential nutrients - a balanced mix to feed your ficus that promotes strong root structure, growth and overall better health. Long lasting for real results - one application added to your planter feeds your ficus trees for up to 6 months! Care for your live houseplants is simple and easy, with no spray or liquid feedings to accidentally forget.

Natural beauty - a live plant is always a great addition to the decor in your house, bringing you cleaner air and a natural vibe. Provides the proper vitamins and minerals to grow your small fiddleleaf or audrey ficus into a giant! For green glossy leaves - effective for all ficus varieties, indoors and outdoors, this easy to use formula promotes leaves that gloss and shine.
BrandThe Grow Co #ad
ManufacturerThe Grow Co. #ad



Premium Sprout All Purpose Garden Fertilizer | 20 20 20 Fertilizer | Granular Fertilizer | Slow Release Fertilizer | Organic Fertilizer | for Indoor & Outdoor Plants | Granules

ANNA #ad - Our fertilizer is 100% water-soluble formula that dissolves quickly and is formulated to absorb quickly into roots to deliver excellent results. Here at premium sprout, we take pride in providing the best fertilizer for your special plants and flowers.

We are here for you. Premium sprout is a proud canadian brand with all ingredients mixed by our certified scientists from Calgary, Alberta. Premium sprout contains nitrogen for vigorous growth, phosphorous for strong root development and potassium for strong plant growth. Premium sprout fertilizer has n-p-k ratio 20-20-20 thus ideal for flowers, trees, fruits, roses, vines ground covers, lawns, vegetables, shrubs, house plants and so much more. Premium sprout, all purpose fertilizer has appearance of Granules with colour ranging from grey to green, tan, brown or black and also white solid crystals.
BrandANNA #ad
Height7.48 Inches
Length11.81 Inches
Width3.15 Inches
Part NumberPS-001

7. The Grow Co


Perfect for All Indoor and Outdoor Bonsai Tree Plants in Pots 5 oz, Gentle Slow Release Plant Food Pellets, Bonsai Fertilizer

The Grow Co #ad - Just carefully place pellets around the base of your tree and watch it thrive with every watering! Great for pots with gravel, pumice, pebbles, moss, lava rocks and other organic soil mixes. Stress free - bonsai care made easy. Made with you in mind - find your zen.

Our fertilizer is expertly formulated top to bottom in delivering your bonsai tree the best nutrition possible while giving you peace of mind that you are keeping your delicate tree safe and healthy. No need to heavily mix our granular fertilizer into your potting soil. All purpose - conveniently packed and ready to use plant food formulated for all types of indoor and outdoor live bonzai trees - Juniper, Fukien Tea, Ficus, Schefflera, Bamboo, Satsuke Azalea, Jade, Ginseng, Money, and other dwarf tree varieties.

Grow with confidence - fully balanced fertilizer package with essential macro and micro nutrients that gently feeds and encourages strong root, trunk, and branch growth for sustainable long term plant health. Slow release goodness - long lasting granular formula to gradually nourish your bonsai plant 9 months at a time! Best alternative to liquid feeding, each bag contains over 35 applications for standard 6" training pots, over 20 applications for a 10" decorative pot.
BrandThe Grow Co #ad
ManufacturerThe Grow Co. #ad