Fertilome Root Stimulator Gal.Use every time you plant trees, shrubs, Roses, annuals and perennials to stimulate early root formation and stronger root development. Reduces transplant shock and promotes greener, more vigorous plants. Application Rates: Flowers, shrubs and trees: 3 1 2 tablespoons per gallon of water. Mix 1 8 pints per plant transplanted. House plants: 1 2 cup per quart of soil (a 6 inch pot holds approximately 1 quart of soil).