1 complimentary cup (11.75 value) of BioVam is in each quart to off-set shipping and will certainly deal with:80 bare root roses or grapes (1 tbs ea),40 established roses or grapes (6 tsp ea),80 potatoes, tomatoes or peppers (1 tbs ea), or 2,500 sq ft of grass. BioVam contains ecto and endomycorrhiza, helpful germs, and trichoderma fungi which interact to increase plant root development and yields. Because of this mix of organisms, all plants are benefited by BioVam.