Osmocote Outdoor & Indoor Smart-Release Plant Food is the most popular Osmocote formula with more than 1 million units sold annually. Each homogeneous granule combines all three major mineral nutrients (NPK) to provide proven, reliable results. Guaranteed not to burn when used as directed. Our classic offering. It's 19-6-12 formula has become the industry standard for slow-release plant food. Often imitated but never equaled, Outdoor & Indoor feeds throughout the plant's active growing season without risk of chemical burn.
- Osmocote's best formula (11 nutrients). Works with virtually all plant varieties and in all growing conditions. Feeds up to 6 full months.
