Top Slow Release Fertilizer Reviews

Jobe's Hanging Baskets and Potted Plants Fertilizer Spikes, 18 Spikes

  • Pre-measured fertilizer spikes nourishes at the roots.
  • Time release fertilizer for flower baskets and potted plants.
  • Continuous supply of nutrients below the surface, where the active roots are growing.
  • No wasteful runoff, no mess, hazards or smells.
  • Provides flowers with continuous slow-release nourishment at their roots.
  • Guaranteed fertilizer analysis: (8-9-12) 18 spikes in waterproof, resealable pouch.
Check Stock

Jobe's 01310 1310 Fertilizer, 9 Spikes

  • Guaranteed analysis: (16-4-4) 5 spikes, (15-3-3) 9 spikes, (16-14-4) 15 spikes,160 spikes.
  • Jobe’s tree spikes are easy to insert around each tree’s dripline, and the slow-release formula feeds all season.
  • Time release fertilizer for all trees and shrubs.
  • Pre-measured fertilizer spikes nourishes at the roots.
  • No wasteful runoff, no mess, hazards or smells.
  • Continuous supply of nutrients below the surface, where the active roots are growing.
Check Stock

MOCCUROD 100pcs Black Rose Seeds Flower Bush Perennial Shrub Flowers Seed

  • LOW MAINTENANCE: Our hibiscus plant fertilizer is perfect for all flowering tropical plants. Created with homeowners in mind, our slow release nitrogen formula allows for feeding only once a month!.
  • PACKED WITH NUTRIENTS: This 10-4-12 formula works with soil biology to provide your plants with the nutrition possible, at the right time. With higher potassium, our fertilizer promotes good flowering bloom and health. Our formula also allows for extended feeding and has all the nutrients to keep your plants healthy..
  • MAINTAIN YOUR PLANTS HEALTH: Our all purpose plant food for tropical plants has added calcium, iron, and magnesium to promote healthy roots, cell structure, and aid in the continual generation of chlorophyll..
  • FOR ALL TROPICAL PLANTS: Our hibiscus plant food works on all flowering tropical plants. Provide the correct nutrients needed for healthy long lasting plants. NutriStar Hibiscus food comes in 4 sizes.
  • EASY APPLICATION: Ditch the liquid fertilizer and enjoy all the benefits of a granular fertilizer. Our slow release granules help feed your plants for longer. Perfect for indoor and outdoor use, easily feed hanging, potted and grounded plants..
Check Stock

Sun Gro Horticulture Black Gold 1310102 8-Quart All Purpose Potting Soil With Control, Brown/A

  • A slow-release complete fertilizer is added to give plants a strong start.
  • Made with Canadian sphagnum peat moss with worm castings, forest humus, and pumice.
  • Now with MultiCote controlled release fertilizer.
  • A multi purpose, nutrient rich mix that's ideal for all plants.
Check Stock

Infinity Soil - Crab Meal - Sustainable and Natural Soil Amendment - Made from Dried Crab Shell - Rich in Chitin, Nitrogen, Calcium, Phosphorus, and Magnesium - 1 LB

  • NATURAL SLOW RELEASE FERTILIZER: GS Plant Foods Organic Crab Shell is a fantastic natural slow release fertilizer that is beneficial for all plants including tomatoes, flowers, vegetables, and more. Cal-mag for plants promotes healthy soil, which in turn, promotes deeper, healthy root systems. Naturally slow release action will begin to eliminate calcium and magnesium deficiencies. All natural and organic, this calcium fertilizer gives excellent plant growth..
  • HIGH IN CALCIUM, MAGNESIUM, AND OTHER NUTRIENTS: GS Plant Foods Organic Crab Shell is high in Calcium, Magnesium, and other important organic nutrients. This calcium plant food provides a range of necessary nutrients and minerals including Calcium and Magnesium. Crab Shell chips give an element for roots to engage with, which extend to look for water and nutrients such as nitrogen, carbon, potassium, and phosphorus so that the plants can continue to produce and grow..
  • PROMOTES HEALTHY ROOT SYSTEMS: GS Plant Foods Crab Shell contains powerful, organic elements and other nutrients which greatly benefit the development of the plant’s root system, resulting in stronger, healthier plant, enabling growth and nutrient uptake. Contains calcium for tomato plants, vegetables, and flowers is a superior bl....
Check Stock

Jobe's 02610 Fertilizer Spikes Tree and Shrub, 160 Count, Brown

  • Pre-measured fertilizer spikes nourishes at the roots.
  • Time release fertilizer for all trees and shrubs.
  • No wasteful runoff, no mess, hazards or smells.
  • Continuous supply of nutrients below the surface, where the active roots are growing.
  • Jobe’s tree spikes are easy to insert around each tree’s dripline, and the slow-release formula feeds all season.
  • No wasteful runoff, no mess, hazards or smells..
Check Stock

PetraTools Liquid Fertilizer, 16-4-8 Lawn Fertilizer, Liquid Lawn Fertilizer Concentrate & Grass Fertilizer For All Grass Types, Liquid Lawn NPK With Nitrogen Fertilizer Lawn Food Max Strength (1 Gal)

  • ULTIMATE BALANCED LAWN FERTILIZER: PetraTools 16-4-8 Liquid Fertilizer is the perfect blend of well-balanced support of macronutrients to support all grass types. The nitrogen, phosphorous and potash mix provide a maximum boost for lawn growth and green grass. The included high-purity humates and supplementary potassium encourages deep root development..
  • 16-4-8 NUTRIENT FORMULA: This NPK formula contains 16% nitrogen, 4% phosphorus, & 8% potassium for a bright grass color, root and plant development, and tolerance to intense temperatures. It's ideal for use in any type of grass and is a pet-friendly fertilizer for lawns..
  • NITROGEN FERTILIZER QUICK & SLOW RELEASE TECHNOLOGY: This 2-in-1 nitrogen lawn fertilizer formula provides both quick-release nitrogen for rapid green and growth and slow-release nitrogen for ongoing growth between applications. Get the best of both worlds in 1 easy application..
  • EASY APPLICATION: PetraTools created our NPK lawn booster to be simple and easy to use. Mix 5oz of fertilizer per gallon of water for maintenance or 10 oz per gallon to correct deficient levels. Treats up to 1,600 Sq. Ft. for maintenance or 800 Sq. Ft. for NPK deficient grass. For best results, use a PetraTools sprayer to evenly spray mixture across lawn & app....
Check Stock

Jobe’s, 01660, Fertilizer Spikes, Tree & Shrubs, Includes 15 Spikes, 12 ounces, Brown

  • Pre-measured fertilizer spikes nourishes at the roots.
  • time release fertilizer for all trees and shrubs.
  • no wasteful runoff, no mess, hazards or smells.
  • Continuous supply of nutrients below the surface, where the active roots are growing.
  • Jibe's tree spikes are easy to insert around each tree's drip line, and the slow-release formula feeds all season.
  • Analysis: (16-4-4) 5 spikes, (15-3-3) 9 spikes, (16-14-4) 15 spikes, 160 spikes.
Check Stock

Jobe’s 01002, Fertilizer Spikes, For Fruit & Citrus, 5 Spikes

  • Pre-measured fruit & citrus fertilizer spikes nourishes at the roots.
  • Time release fertilizer for all fruit and citrus trees.
  • No wasteful runoff, no mess, hazards or smells.
  • Continuous supply of nutrients below the surface, where the active roots are growing.
  • Jobe's spikes are easy to insert around each tree's dripline, and the slow-release formula feeds all season.
  • Guaranteed analysis: (9-12-12) 5 spikes in traditional packaging, (8-11-11) 5 spikes in clear package, (8-11-11) 9 spikes, (9-12-12) 15 spikes, (8-11-11) 160 spikes.
Check Stock

Jobe s 02011 Fertilizer Spikes Evergreen Tree 5 Count Slow Release Cypress Juniper Magnolia

  • Pre-measured evergreen fertilizer spikes nourishes at the roots.
  • Time release fertilizer for Junipers, Spruces….
  • No wasteful runoff, no mess, hazards or smells.
  • Continuous supply of nutrients below the surface, where the trees’ active roots are growing.
  • Jobe’s spikes are easy to insert around each tree’s dripline, and the slow-release formula lasts all season.
  • No wasteful runoff, no mess, hazards or smells..
Check Stock

Jobe's Evergreen Fertilizer Spikes 11-3-4 Time Release Fertilizer for Juniper, Spruce, Cypress and All Other Evergreen Trees, 9 Spikes per Package- Pack of 2

  • Pre-measured evergreen fertilizer spikes nourishes at the roots.
  • Time release fertilizer for Junipers, Spruces and other evergreen trees.
  • No wasteful runoff, no mess, hazards or smells.
  • Continuous supply of nutrients below the surface, where the tree's active roots are growing.
  • Jobe’s fertilizer spikes are easy to insert around each tree’s drip-line.
  • Fertilizer analysis: (13-3-4) 5 spikes, (11-3-4) 9 spikes, (13-3-4) 15 spikes, (13-3-4) 160 spikes.
Check Stock

GRF 13-13-13 NPK Granular Fertilizer 3lbs

  • The Most Universally Used Fertilizer for Starting Off And Maintaining Your Harvest.
  • Slow Release of Fertilizer Allows for Set and Forget Plant Care.
  • Good for Tomatoes, Vegetables, Root Vegetables, Lawns, Bonsai, Vined Fruit, Potted Plants, Cereals & Leafy Greens, and the List Goes On!.
  • GRF is a Family Owned Business With Over 45 Years Manufacturing Fertilizer in Georgia.
Check Stock

Black Gold 1310102 16-Quart All Purpose Potting Soil with Control… (Pack of 3)

  • A slow-release complete fertilizer is added to give plants a strong start.
  • Made with Canadian sphagnum peat moss with worm castings, forest humus, and pumice.
  • Now with MultiCote controlled release fertilizer.
  • A multi purpose, nutrient rich mix that's ideal for all plants.
Check Stock