Green Botanika 14-14-14 fertilizer for potted plants is long lasting and allows up to 3 months of feeding. It is specially formulated for planter boxes as well. It's slow release formula works all season to stimulate colourful blooms and vigorous, leafy growth. Benefits: Reduced environmental impact. The nutrient release in 14-14-14 is controlled and predictable. Work approximately 1 gram into the surface of the soil around the base of the plant.