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  1. Pyrethrum - Wikipedia

    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.

  2. Pyrethrum | Definition, Description, Insecticide, & Species | Britannica

    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 …

  3. Pyrethrum: Overview, Uses, Side Effects, Precautions ... - WebMD

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

  4. Pyrethrum / Tanacetum Plant Growing & Care Guide for Gardeners

    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 …

  5. Pyrethrum: Benefits, Insecticidal Properties, Key Compounds, and …

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

  6. Cultivating Pyrethrum: The Natural Insect Repellent - LoveToKnow

    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. …

  7. Pyrethrins and Pyrethroids | Public Health Statement | ATSDR

    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 …

  8. Is Pyrethrum a Safe Organic Pesticide? - Today's Homeowner

    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 …

  9. Pyrethrins General Fact Sheet - NPIC

    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, fleas, flies, …

  10. Growing Guide for Pyrethrum – Chrysanthemum - Backyard Gardener

    Jan 25, 2024 · From the Greek pyr, fire, probably with reference to fever, since the plant was used medicinally to assuage fever (Compositae). These hardy plants are admirable for a sunny border and …