Phosphorus-rich Sunleaves Jamaican Bat Guano (1-10-0.2) gives blooming flowers and ripening fruits a boost by heightening root and bud development. Listed by the Organic Materials Review Institute (OMRI), Jamaican Bat Guano is safe for use indoors and out and is non-toxic to people and pets. Amend your soil with it, use it as a top dressing or create a "guano tea" and apply it directly to plant roots in a fortified water dilution.