Top 7 Slow Release Outdoor Plant Fertilizer – Garden Fertilizers

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1. Osmocote

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

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Osmocote #ad - Feeds up to 6 full months. Apply with confidence to potted plants, indoors or outdoors. Our best formula, fortified with 11 essential nutrients. No-burn pledge when used as directed. Works with virtually all plant varieties, in all growing conditions.
BrandOsmocote #ad
ManufacturerScotts Miracle-Gro #ad
Height8.9 Inches
Length3.65 Inches
Weight2.2 Pounds
Width2.5 Inches
Part Number274250
Model274250

2. Schultz

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

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Schultz #ad - Slow release easy to use. For growing delicious tomatoes and vegetables. Schultz vegetable fertilizer.
BrandSchultz #ad
ManufacturerSchultz #ad
Height6.63 Inches
Length11.5 Inches
Weight3.66 Pounds
Width9.75 Inches
Part Number018061
Model018061

3. Scotts

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

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

4. Miracle-Gro

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

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Miracle-Gro #ad - Full of essential nutrients that help feed and nourish above and below the soil. Contains natural ingredients that help feed and nourish above and below the soil; Feeds up to 3 months. Contains vital micronutrients to grow stronger, vibrant and more productive plants versus unfed plants. Guaranteed not to burn when used as directed. 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
Model3002010

5. The Grow Co

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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

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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.

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. 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. Delivers the essential nutrients your plants crave that's lacking from standard organic soil mixes in pots and planters.

Natural beauty - a live plant is always a great addition to the decor in your house, rubber tree or rubber Plant Ficus Benjamina Weeping Fig, bringing you cleaner air and a natural vibe. This fertilizer works well for all types of ficus trees in various potting soils: Ficus Lyrata Fiddle Leaf, Ficus Audrey, Ficus Religiosa Sacred Fig, Ficus Elastica, Alli Narrow Leaf and more!. Essential nutrients - a balanced mix to feed your ficus that promotes strong root structure, growth and overall better health.
BrandThe Grow Co #ad
ManufacturerThe Grow Co. #ad

6. ANNA

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

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ANNA #ad - Our fertilizer is 100% water-soluble formula that dissolves quickly and is formulated to absorb quickly into roots to deliver excellent results. We are here for you. Premium sprout fertilizer has n-p-k ratio 20-20-20 thus ideal for flowers, fruits, vines ground covers, shrubs, roses, trees, lawns, vegetables, house plants and so much more.

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, tan, all purpose fertilizer has appearance of Granules with colour ranging from grey to green, brown or black and also white solid crystals. Here at premium sprout, we take pride in providing the best fertilizer for your special plants and flowers.
BrandANNA #ad
Height7.48 Inches
Length11.81 Inches
Width3.15 Inches
Part NumberPS-001

7. The Grow Co

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

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The Grow Co #ad - Made with you in mind - find your zen. 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. 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.

Just carefully place pellets around the base of your tree and watch it thrive with every watering! Great for pots with gravel, pumice, moss, pebbles, lava rocks and other organic soil mixes. 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.

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, Schefflera, Ginseng, Fukien Tea, Jade, Satsuke Azalea, Ficus, Money, Bamboo, and other dwarf tree varieties. Stress free - bonsai care made easy.
BrandThe Grow Co #ad
ManufacturerThe Grow Co. #ad