Sentences with phrase «pyrethrum flowers»

Sprinkling mint or dried pyrethrum flowers beneath the bedding may also help.
Gardeners Note: first generation seeds from the African pyrethrum flower, grown in the US, produce blooms with insufficient pyrethrin to have the same bug knockdown effect.
When a bug flies close to a Kenyan - grown pyrethrum flower it falls limp on the flower almost instantly.

Not exact matches

Flowers: Flowers such as feverfew and chrysanthemum contain pyrethrums, which have a paralytic effect on ectoparasites, while mullein extract helps soothe skin ailments when applied externally, Wenger said.
These are two pyrethroids, a class of synthetic insecticides based on a botanical compound found in Chrysanthemum flowers (pyrethrum).
The first active ingredient is the botanical Pyrethrum, an extract of a Chrysanthemum flower, which provides effective knockdown and quick - kill of listed insects.
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