千葉大学東葛キャンパス植物データベース

属名の詳細: Cosmos Cav. [618]

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科名: Asteraceae

科の和名: キク

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原生地・分布（英語）: Trop. & temp America

説明（英語）: Genus of about 25 species of erect to spreading, freely branched annuals and perennials, found in scrub and meadows in S. USA and Central America. The leaves, borne in opposite pairs, may be simple, lobed, or pinnatisect to 3-pinnatisect or pinnate. Cosmos species and cultivars are grown for their large, showy, crimson-red, pink, or white flowerheads which may be saucer-, bowl-, or open cup-shaped, and are borne on long stems, mainly in summer. Grow annual species and cultivars in an annual border or as fillers in a herbaceous border. Perennial species are excellent container or border plants.

耐寒性（英語）: Frost hardy to frost tender.

栽培（英語）:

繁殖（英語）: Sow seed at 16°C (61°F) in mid-spring, or in situ in late spring. Root basal cuttings of C. atrosanguineus with bottom heat in early spring.

病害虫（英語）: Aphids, slugs, and grey mould (Botrytis) may prove troublesome.

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備考: コスモス，キバナコスモス

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更新情報: 作成: 2007-12-06 12:51; 更新: 2022-03-09 15:20

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