Pyrethrum was a genus of several Old World plants now classified in either Chrysanthemum or Tanacetum which are cultivated as ornamentals for their showy flower heads.

pyrethrum, any of certain plant species of the aster family (Asteraceae) whose aromatic flower heads, when powdered, constitute the active ingredient in the insecticide called pyrethrin.

Learn more about Pyrethrum uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain Pyrethrum.

Nov 7, 2023 · In this Gardener's HQ guide, we'll explore cultivating Pyrethrum / Tanacetum plants in your garden, indoor spaces, and other settings. Plant Characteristics: Pyrethrum have daisy …

Apr 27, 2025 · Pyrethrum is a natural insecticidal herb renowned for its powerful bioactive compounds and diverse applications in both traditional and modern medicine.

Feb 10, 2025 · Pyrethrum refers to several flowers in the genus Chrysanthemum. The name is most commonly used to refer to Chrysanthemum cinerariifolium and Chrysanthemum …

It produces a natural insecticide, pyrethrum, that has been used for thousands of years as a mosquito repellent and as a remedy for lice in ancient Persia and elsewhere. Pyrethrum is …

Pyrethrum is a naturally occurring mixture of chemicals found in certain chrysanthemum flowers. Pyrethrum was first recognized as having insecticidal properties around 1800 in Asia and was …

Pyrethrins are pesticides found naturally in some chrysanthemum flowers. They are a mixture of six chemicals that are toxic to insects. Pyrethrins are commonly used to control mosquitoes, …

Oct 13, 2024 · Pyrethrum (Tanacetum cinerariifolium) is a flowering plant native to the Balkan Peninsula and the Caucasus region. For centuries, it’s been used in traditional medicine and …