Pyrethrum Tanacetum cinerarifolium
Pyrethrum, Tanacetum cinerariifolium, is a hardy perennial daisy prized for its white, chrysanthemum-like flowers and natural insecticidal properties. The dried flower heads contain pyrethrins, widely used in organic pest control products. Beyond its utility, it is an attractive garden plant that thrives in full sun and well-drained soil, offering ornamental value, pollinator support, and practical benefits in sustainable gardening systems.