Budswel, a mix of high-phosphorus bat guano, worm castings, and seabird guano, boosts production in fruit trees and fruit-bearing vines like watermelon, cantaloupe, tomatoes, squash and grapes. Budswell Dry Bat Guano is 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, is an ideal companion mix to our Super Tea, and produces some of the best fruit you'll ever sink your teeth into. Undoubtedly it is one of the finest organic fruiting fertilizers available anywhere. Budswel 0-7-0 High Phosphorus Dry Bat Guano 2 lb Budswel, a mix of high-phosphorus bat guano, worm castings, and seabird guano, boosts production in fruit trees and fruit-bearing vines like watermelon, cantaloupe, tomatoes, squash and grapes. Budswell Dry Bat Guano is 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, is an ideal companion mix to our Super Tea, and produces some of the best fruit you'll ever sink your teeth into. Undoubtedly it is one of the finest organic fruiting fertilizers available anywhere.