Pyrethrum is the common name of Tanacetum cinerariifolium species, from Compositae family.
Also known as: dalmation pellitory, dalmatian chrysanthemum.
Pyrethrum flowers
Image credit: Mykl Roventine
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Features of Pyrethrum
Height to 12-30 inches. Spread to 12 inches. Zone 4-9. Perennial.
thin stem.
light-brown, narrow seed.
divided, pungent, silver-green leaf.
daisy-like, white and yellow flower in summer and autumn.
Growing Pyrethrum
Propagate »
- by root division during spring.
- by seed during spring and summer.
Maintain »
- growth: Suitable to grow as an outdoor pot-plant.
- thinning: thin to 6-12 inches apart.
- transplant: transplant 6 to 12 inches apart.
Pyrethrum is a member of the chrysanthemum family. Although it has no known edible uses, flowers of the plant is the main source of a natural insect repellent, which has been used for centuries.
The herb is also a welcomed addition to the garden, as it is effective against mosquitoes, ants and other pests.
Pyrethrum is toxic to insects but no mammals, though some people are highly allergic to the herb.
Using Pyrethrum
Culinary
Salad
Add young leaves and flower petals to salads. (Use leaf, flower)
Household
Repellent
Ground dried flower, and sprinkle the powder to repel flies, mites, aphids, cockroaches, ants, and other common house pests. (Use flower)
Cautions
- Reactions » Flower may cause allergies.
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