The very first MicroLife, multi-purpose, fantastic performer and proven for all Turfgrasses, Ornamentals, Perennials, Trees, Flowers and Vegetables. 100 % slow release and will not burn. You can depend on this product to serve you well for increasing all plant performance. Provides over 100 + nutrients, minerals, vitamins, natural plant hormones, natural plant stimulators, essential sugars/amino acids/carbon/protein and billions of beneficial microbes representing 73 different species.