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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 continues to be used as a common name for plants formerly included in the genus Pyrethrum .
The Persian chrysanthemum C. coccineum also produces pyrethrins but at a much lower level. Both may be planted in low-altitude zones in dry soil, but the pyrethrin level is lower. [15] Pyrethrum extracted of the Persian chrysanthemum (painted daisy) was already imported to central Europe from Georgia in the middle of the
Chrysanthemums (/ k r ɪ ˈ s æ n θ ə m ə m ... They are harmful to fish, but are far less toxic to mammals and birds than many synthetic insecticides. They are ...
Chrysanthemums prefer rich, well-draining soil in full sun, though they can take a little shade in the South. ... Mums are toxic to dogs, cats, and horses, so don't plant them where your pets ...
A pyrethroid is an organic compound similar to the natural pyrethrins, which are produced by the flowers of pyrethrums (Chrysanthemum cinerariaefolium and C. coccineum). Pyrethroids are used as commercial and household insecticides. [1] In household concentrations pyrethroids are generally harmless to humans. [1]
There are countless flowers categorized as poisonous to cats. ... Chrysanthemums. Cyclamen. Azaleas. Rhododendrons. Toxin concentration levels vary depending on the type and part of the flower, ...
Glebionis coronaria, formerly called Chrysanthemum coronarium, is a species of flowering plant in the family Asteraceae. It is native to the Mediterranean region. [3] It is cultivated and naturalized in East Asia and in scattered locations in North America. [4] [5] Glebionis coronaria is used as a leaf vegetable.
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