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.

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-like …

Pyrethrum, any of certain plant species of the aster family whose powdered flower heads constitute the active ingredient in the insecticide pyrethrin. Two species are commerically important sources for the …

May 5, 2021 · Pyrethrum is a chemical extract containing two active compounds, pyrethrin I and pyrethrin II. In these forms, the chemical is directly derived from several different species of …

Oct 31, 2024 · Pyrethrum is a naturally-derived insecticide from the Pyrethrum daisy (Chrysanthemum cinerariifolium,) sometimes called the Dalmatian chrysanthemum. This perennial flower is loaded …

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 coccineum. …

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

People apply pyrethrum directly to the skin as an insecticide, particularly for head lice, crab lice and their nits, and mites (scabies). How does work? The active chemicals, the pyrethrins, are toxic to insect …

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 used …