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. Feeds up to 4 full months. Guaranteed not to burn when used as directed. Our classic offering. It's 4-month, 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.
