An all-in-one solution for the serious gardner. One application contains 11 essential nutrients and feeds up to 6 months. Works with virtually all plant varieties and growing conditions. Each granule is coated with a unique resin that controls nutritional release. Plants get what they need, when they need it.

Outdoor & Indoor

Package Sizes and Coverage

1 lb. Bottle
Feeds up to 37 sq ft or 19 gallons of potting soil
2 lb. Bottle
Feeds up to 75 sq ft or 38 gallons of potting soil
8 lb. Bag
Feeds up to 300 sq ft or 151 gallons of potting soil

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Guaranteed Analysis

Osmocote® Smart-Release® Plant Food Plus Outdoor & Indoor 15-9-12
Guaranteed Analysis F643
Total Nitrogen(N) 15%
8.4% Ammoniacal Nitrogen
6.6% Nitrate Nitrogen
Available Phosphate(P205) 9%
Soluble Potash(K20) 12%
Magnesium(Mg) 1.3%
0.9% Water Soluble Magnesium (Mg)
Sulfer(S) 6.0%
6.0% Combined Sulfer (S)
Boron(B) 0.02%
Copper(Cu) 0.05%
0.05% Water Soluble Copper (Cu)
Iron(Fe) 0.05%
0.09% Water Soluble Iron (Fe)
0.01% Chelated Iron (Fe)
Manganese(Mn) 0.06%
0.06% Water Soluble Manganese (Mn)
Molybdenum(Mo) 0.02%
Zinc(Zn) 0.05%
0.019% Water Soluble Zinc (Zn)
Derived from: Polymer-Coated: Ammonium Nitrate, Ammonium Phosphate, Potassium Sulfate, Magnesium Sulfate, Sodium Borate, Iron Phosphate, Iron EOTA, Manganese Sulfate, Sodium Molybdate, Aibc Sulfate, Copper Sulfate and Zinc Oxide.
The Nitrgoen, Phosphate, Potash, Magnesium, Sulfer, Boron, Iron Manganese, Molybdenum, and Zinc sources have been coated to provide 12.7% coated slow-release Nitrogen(N), 7.6% coated slow-release Available Phosphate (P2O5), 10.2% coated slow-release Soluble Potash (K2O), 1.1% coated slow-release Magnesium (Mg), 5.1% coated slow-release Sulfer (S), 0.015% coated slow-release Boron (B), 0.35% coated slow-release Iron (Fe), 0.05% coated slow-release Manganese (Mn), 0.015% coated slow-release Molybdenum (Mo), 0.015% coated slow-release Zinc (Zn).
Information regarding the contents and levels of metals in this product is available on the internet at
WARNING: This fertilizer contains molybdenum (Mo). The application of fertilizer materials containing molybdenum (Mo) may result in forage crops containing levels of molybdenum (Mo) which are toxic to ruminant animals.
Longevity at the following average media (soil) temperatures
60° F 6-7 mo.
70° F 5-6 mo.
80° F 4-5 mo.
90° F 3-4 mo.

Ratings and Reviews

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Outdoor & Indoor

Product Ratings (11 customer reviews)

54321 5.0/5
Product Efficacy
54321 5.0/5
Product Convenience
54321 5.0/5
Product Value
54321 5.0/5
Try it. You'll like it. November 20, 2014
When putting transplants into my container garden area [multiple half barrels]a spoon of Osmocote goes in with each plant. I use it every time.
54321 5/5
54321 5/5
54321 5/5
54321 5/5
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