Budswel is a mix of high-phosphorus bat guano, worm castings, and seabird guano, boosts production in fruit trees and fruit-bearing vines like watermelon, cantaloupe, squash and grapes. Also an excellent base mix for roses or flowering beds. This finely sifted mixture (0-7-0) is easy to use as a water-on fertilizer or a small area broadcast, and produces some of the best fruit you'll ever sink your teeth into. Undoubtedly one of the finest organic fruiting fertilizers available anywhere.