Root Zone Premium Starter Fertilizer produces remarkable results because nutrients are released quickly yet continues to feed for several months. Root Zone fertilizer is formulated to feed all transplants, vegetable garden plants, both summer and winter plants, in containers or in native soil found in your yard. It is best used when planting seeds or transplanting anything into a new container or at home in the garden. This spectacular blend builds soil health, promotes disease resistance, and assists the growth of remarkable plants every time. Advanced TruBiotic, consisting of five champion strains of beneficial soil microbes and eighteen select strains of ecto and endo mycorrhizae provides optimum levels of primary essential plant nutrients. 100% organic and natural, it contains no synthetic ingredients, GMO infested chicken manure or sewage sludge.