Chiba University Matsudo/Kashiwa Campus Plant Database

Details of genus: Synthyris [2709]

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Family: Plantaginaceae

family_ja: オオバコ

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description_en: Genus of about 14 species of tufted, low-growing, usually rhizomatous perennials, mainly from woodland in W. and C. North America. They have radical, heart-shaped, kidney-shaped, or pinnatifid leaves. Unbranched, leafy, upright stems produce narrow, upright, spike-like racemes of small, tubular to bell-shaped, violet to blue, or rarely pink or white flowers, mainly in spring. Grow in a woodland or rock garden, or at the front of a shady, herbaceous border. Grow S. pinnatifida var. lanuginosa in a scree bed or alpine house; it is hard to grow and flower buds often abort.

hardiness_en: Fully hardy, but intolerant of winter wet.

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propagation_en: Sow seed in containers in an open frame in autumn. Divide in early spring as growth begins.

pests_en: Prone to attack by slugs and snails. Aphids and red spider mites may damage S. pinnatifida var. lanuginosa under glass.

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Update Information: Created: 2010-06-04 18:58; Updated: 2020-07-05 11:42

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