Ageratum

(Ageratum houstonianum) Ageratum is a member of the Aster family native to southwestern North America and Central America. Gardeners around the world prize it for its delightful colors and whimsical, pom-pom shaped flowers. Direct sow seeds outdoors in spring, after last frost, or start indoors 6-8 weeks before last frost and transplant out after all chance of frost has passed. Light aids germination so be sure to surface sow seeds uncovered, or lightly sprinkled with very fine vermiculite. Ideal germination temperature is 75-80F. Seeds germinate in 7-10 days. Plants are not cold hardy. They prefer full sun, but will also grow well in part shade. Plants tolerate a wide range of soil, but rich, well-drained soil is best. Space at least 10 inches apart. To promote blooming, deadhead regularly. BEWARE: ALL PARTS OF THIS PLANT ARE POISONOUS!

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