Appearance
This species of ''Cosmos'' is considered a half-hardy annual, although plants may re-appear via self-sowing for several years. Its foliage is opposite and pinnately divided. The plant height varies from 1–7 feet.The original and its cultivars appear in shades of yellow, orange, and red. It is especially popular in Korea and Japan, where it is often seen in mass plantings along roadsides, following an initiative pursued by the Korean-Japanese botanist Woo Jang-choon.
Status
This plant was declared invasive by the United States Southeast Exotic Pest Plant Council in 1996.
Predators
The flowers of all ''Cosmos'' attract birds and butterflies, including the monarch butterfly.References:
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