BioFiore is a natural pyrethrum-based insecticide with a concentration of 3000 PPM (mg / L). It is based on super concentrated pyrethrum, is free of PBO and is a totally organic product, perfect for eliminating weeds. Pyrethrum is a natural insecticide allowed in organic farming that is obtained from the flowers of a plant of the Asteraceae family, the Tanecetum cinerariifolium. It is one of the most effective natural insecticides, able to fight parasites in full respect of nature.