Colchicum autumnale Autumn crocus (Colchicaceae)

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Colchicum autumnale
Autumn crocus
(1 Page of 5)

The Colchicum autumnale plant species is found in Britain. It is a member of the Colchicaceae family. Common gardeners may know the plant as Autumn crocus.

Cultivation | Propagation | General Uses
Medicinal | Edible Uses

Latin Name:  Colchicum autumnale
Common Name:  Autumn crocus
Family:  Colchicaceae
Author:  L.

Known Hazards:  All parts of the plant, but especially the bulb[200], are poisonous[4, 7, 10, 19, 65]. They cause vomiting, violent purging, serious inflammation of the stomach and bowels, and death[232]. Handling the corms can cause skin allergies in some people[238].

Mature Height:  0.15   Mature Width:  0.15

Habitat:  Meadows and damp woodland clearings[1, 10, 13] on calcareous and neutral soils[17]. Extremely rare away from the Bristol Channel in Britain[7].

Cultivation Notes: Prefers a rich well-drained loam in a sunny position[1, 188]. Tolerates partial shade but dislikes dry soils[1]. Tolerates a pH in the range 4.5 to 7.5. Plants are hardy to about -20°c[200]. The dormant bulbs are fairly hardy and will withstand soil temperatures down to at least -5°c[214]. The autumn crocus is easily grown in grass[90] and can be naturalized there[200]. It also grows well amongst shrubs and by woodland edges[28]. Plant the corms about 7 - 10cm deep in July[1]. Plants seem to be immune to the predations of rabbits[233], though slugs may attack the corms[238]. The flowers are very attractive to bees and butterflies[201].

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Cultivation | Propagation | General Uses
Medicinal | Edible Uses

The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'.
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