Flowering Pyrethrum Plants In The Garden

Flowering Pyrethrum Plants In The Garden

Pyrethrum are a natural insect repellant and are grown in a vegetable garden to keep insects away from other plants. Pyrethrum seeds can be started indoors about four to six weeks before the last frost date in your area. Sow the seeds directly outdoors in well-drained soil in a sunny area of the garden, after the last chance of frost and when the soil has warmed to at least 50 degrees Fahrenheit. Native to southwestern Asia, these garden plants can thrive in California and other areas of the country within U.S. Department of Agriculture hardiness zones 3 through 9. There are many varieties of Pyrethrum to grow. The two most common are Chrysanthemym cinerarifolium and Chrysanthemym coccineum.  C. cinerarifolium is from the region of the Balkans called Damatia. Because of this it is sometimes referred to as the Dalmation Chrysanthemym. It looks more like a daisy than most members of the pyrethrum species. The white petals and yellow middle contain pyrethrum, a natural insecticide.

Because of that, it is often grown for the flowers, which are dried and then crushed to remove the pyrethrum from them. The major producer of pyrethrum is Tasmania, Australia at present. Kenya, Tanzania, and Ecuador also produce significant amounts of the plant. Then, C. coccineum is a perennial garden plant that also contains pyrethrum, but is a poor source compared to C. cinerarifolium. C. coccineum is native to the Caucasus. It is referred to as the Persian Chrysanthemum. This plant also looks similar to a daisy but can have white, pink, or red flowers. It is grown primarily as an ornamental plant.

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