Bat Guano is a an all-purpose fertilizer containing nitrogen and lots of trace elements. If you are looking for growth and also to enrich the soil mycrobes with numerous nutrents, this is the product. It has natural fungicidal qualities and almost no chance of being contaminated with pesticides or chemicals. It is an excellent supplemental fertilzier for flowers. Bat Guano is safe for all fruit and nut trees, herbs, vegetables, and ornamental plants. It is a superb soil builder and can also be used to activate compost piles. It is best to apply twice during the growing season. It looks very mild but has as much as 10% nitrogen, so be careful not to overuse. Use 10 to 20 lbs per 1000 square feet. Use 1 to 3 quarts per 100 square feet 1 to 2 teaspoons per 6" pot.Repeat in 4 to 8 weeks. Use 1/4 to 1/2 less on slow growing indoor plants or plants in low light.