Osmocote Outdoor and Indoor Smart-Release Plant Food, 10-Pound (Plant Fertilizer) Our most popular Osmocote formula  can be used both indoors and out Ideal plant food for propagating, planting, transferring and repotting Analysis: 19-6-12 Our most popular Osmocote formula  can be used both indoors and out Ideal plant food for propagating, planting, transferring and repotting Analysis: 19-6-12 Our most popular Osmocote formula  can be used both indoors and out