This is a great organic plant food from Sustane. Slow-release balanced food with plenty of nitrogen for lush foliage and great green color, this blend contains organic substances derived from biologically stable compost plus natural sulfate of potash and feather meal. Provides Slow Release Nitrogen, chelated micronutrients, organic phosphorus, and humic substances. We use Sustane food in all our plants and have found it reliable, consistent, and with low burn potential.