NutriStar Cactus and Succulent is the perfect plant food for long lasting plants! This low maintenance plant food is perfect for homeowners. Feed your cactus and succulents every other month, as one feeding offers four sources of nitrogen along with the exact nutrients for extended feeding. With added magnesium and calcium, your plant will have optimal health with strong cell walls and chlorophyll production. Completely safe and easy to use, this plant food is perfect for indoor and outdoor plants.