Clematis columbiana Rock clematis (Ranunculaceae) Deciduous climber

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Clematis columbiana
Rock clematis
Deciduous climber
(1 Page of 5)

The Clematis columbiana plant species is found in Western N. America - British Columbia to Colorado and Oregon. It is a member of the Ranunculaceae family. Common gardeners may know the plant as Rock clematis.

Cultivation | Propagation | General Uses
Medicinal | Edible Uses

Latin Name:  Clematis columbiana
Common Name:  Rock clematis
Family:  Ranunculaceae
Author:  (Nutt.)Torr.&A.Gray.

Known Hazards:  Although no reports of toxicity have been seen for this species, some if not all members of this genus are mildly poisonous. The toxic principle is dissipated by heat or by drying[65].

Mature Height:  3   Mature Width:

Habitat:  Dry to moist soils of woods and thickets, from valleys to around 2,500 metres in the mountains[212].

Propagation Notes: Seed - best sown as soon as it is ripe in a cold frame[164, 200]. Sow stored seed as soon as it is obtained in a cold frame. Pre-soak the seed for 12 hours in warm water and remove as much of the tail and outer coat as possible[164]. A period of cold stratification is beneficial[164]. The seed germinates in 1 - 9 months or more at 20°c[164]. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in a cold frame for the first winter. Plant out in late spring or early summer, after the last expected frosts. Internodal cuttings of soft to semi-ripe wood, late spring in sandy soil in a frame[200]. Layering of old stems in late winter or early spring[200]. Layering of current seasons growth in early summer[200].

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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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