Colchicum autumnale (KOHL-chi-kum ot-um-NAL-ee) is a cormous perennial with erect, lance-shaped leaves 5 to 14 inches long that appear in spring. In fall, it bears 1 to 6 goblet-shaped, lavender-pink flowers—a classic "fall-blooming crocus" effect.
Fall-blooming crocus. The foliage must ripen in spring sun to store enough energy for flowering; once foliage has ripened, denser shade is not a problem, so choose companion plants carefully.
Grow in deep, fertile, well-drained soil that is not too dry, in full sun.
Separate corms when dormant in summer.
Gray mold (Botrytis) and slugs.
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Coprosma: Glossy Foliage for Full Sun to Partial Sun, Low Water
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