Best Slow release Fertilizer Soils

Down to Earth Organic Garden Gypsum Calcium Sulfate, 5 lb

  • Down to Earth Garden Gypsum is a five pound box of all natural mineral fertilizer and is listed by the Organic Materials Review Institute (OMRI) for use in organic production.
  • Commonly used to reduce soil compaction and increase drainage in heavy clay soils, gypsum is also used to help remediate and revitalize alkaline, sodic or saline soils.
  • Improves the physical condition of landscape, lawn and garden soils while adding calcium and sulfur.
  • Loosens clay. Prilled, fast acting and easy to apply.
  • Registered Organic Input Material (CDFA).
Check Stock

FoxFarm Happy Frog Tomato & Vegetable Dry Fertilizer 50 Pound Bag, FX14695

  • 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..
  • Happy Frog Acid Loving Plants Fertilizer is specifically formulated for use on azaleas, rhododendrons, camellias, hydrangeas, evergreens, blueberries, raspberries, strawberries, and all other acid loving plants..
  • Mycorrhizal fungi are included to help increase root efficiency, which may enhance nutrient uptake and water absorption. OMRI Listed.
Check Stock

BioAdvanced 701525A Month Tree and Shrub Insect Control 1 gal Concentrate

  • 12 MONTH PROTECTION: With just one application, kills listed insects and prevents new infestations for up to a year.
  • INSECT & PEST KILLER: Kills Japanese Beetles, Emerald Ash Borers, Adelgids, Leafminers, Aphids, and more.
  • SLOW-RELEASE FERTILIZER: Plant food and fertilizer improves the health of your trees and shrubs.
  • SYSTEMIC PROTECTION: Protects your potted and outdoor trees and shrubs from the roots to the stem of every leaf.
  • RESTRICTIONS: Not for sale in New York, Restricted in CT, VT, & MD.
Check Stock

Hi-Yield (32029) 55% Malathion Spray (32 oz)

  • 12 MONTH PROTECTION: With just one application, kills listed insects and prevents new infestations for up to a year.
  • INSECT & PEST KILLER: Kills Japanese Beetles, Emerald Ash Borers, Adelgids, Leafminers, Aphids, and more.
  • SLOW-RELEASE FERTILIZER: Plant food and fertilizer improves the health of your trees and shrubs.
  • SYSTEMIC PROTECTION: Protects your potted and outdoor trees and shrubs from the roots to the stem of every leaf.
  • RESTRICTIONS: Not for sale in CT, MD, MA, ME & VT. Not for sale, sale into, distribution, and or use in Nassau, Suffolk, Kings and Queens counties of NY..
Check Stock

Bonsai Fertilizer Pellets by Perfect Plants - 5 Year Supply - All Natural Slow Release - Extended Enrichment for All Live Bonsai Tree Types

  • 5-YEAR SUPPLY - Bonsai Fertilizer Pellets by Perfect Plants. Arrives in a lightweight, re-sealable bag..
  • PERFECT FOR SINGLE USE ON LIVE BONSAI TREE - or Use for Multiple Bonsai trees. All natural Slow Release Formula for optimal Bonsai health..
  • SLOW RELEASE - Provides Long Term Enrichment to All Bonsai Tree Species.
  • GREAT FOR ALL TYPES OF LIVE HOUSE PLANTS.
Check Stock

BioAdvanced 12 Month Tree and Shrub Protect and Feed II, Concentrate, 1 Gal

  • Drive your fertilizer & plant food root feeder spikes UP TO 12" DEEPER ~Or use your own custom blended granular fertilizer just pour it in the hole ~Compatible with Jobe's, miracle-gro & all brands of tree fertilizing stakes.
  • Get the fertilizer DOWN TO THE FEEDER ROOTS ~For Evergreen, Citrus, Palm & All other Trees & Shrubs.
  • No more BURNT TURF & dark GREEN RINGS in the lawn ~SOLID STEEL makes a pilot hole even in the toughest soils.
  • 5 in 1 Tool pilot hole driver for landscape lights, wood stakes, tiki torches, plant bulbs & fertilizer spikes LAND STAKER ONLY DOES NOT COME WITH FERTILIZER spikes.
  • NO MORE BROKEN SPIKES & No run off ~Many other uses ~ See all our tools at Keyfit Tools ~Keyfit Tools Patented Products.
Check Stock

Jobe's 02611 Evergreen Tree Bulk Fertilizer Spikes, 160 Count, Brown

Check Stock

Lawnbox Lawn Luxe 7-0-7 100% Organic Summer Grass Fertilizer 14 lb Bag Covers 2,500 sq ft

  • Lawn Luxe 7-0-7 is an OMRI listed, 100% organic lawn fertilizer.
  • Ideal for summer fertilizer applications.
  • Feeds your lawn and helps it stand up to summer stress from increased traffic, higher temperatures, and drought.
  • Delivers both quick and slow-release nitrogen for an immediate green-up and extended feeding for up to 6 weeks.
  • Includes humic acid to promote healthy soil.
Check Stock

Lawnbox Grass Genie 10-0-6 100% Organic Spring Grass Fertilizer 16 lb Bag Covers 2,500 sq ft

  • Grass Genie 10-0-6 is an OMRI listed, 100% organic lawn fertilizer.
  • Ideal for spring fertilizer applications on both established and recently planted lawns.
  • Gives your lawn a kick start, brining it out of winter dormancy.
  • Delivers both quick and slow-release nitrogen for an immediate green-up and extended feeding for up to 6 weeks.
  • Includes humic acid to promote healthy soil.
Check Stock

Crab Meal - Organic Natural Crab Meal Fertilizer (5 lbs)

  • Crab Meal Fertilizer - Organic and All Natural.
  • Bulk Crab Meal (Ground Crab Shell) from 5-15 pounds.
  • Crab Meal adds Nitrogen and Phosphorus to soils!.
  • Crab Meal improves drainage and H2O and Oxygen capacity in soil.
  • Crab Meal is extremely beneficial in Vegetable gardens and in poor soils.
Check Stock