Hairy Clematis

Clematis douglasii

Physical Characteristics

Clematis douglasii is a deciduous Perennial growing to 0.6 m (2ft) by 0.6 m (2ft in). See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from May to June, and the seeds ripen from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Distribution

Western N. America - British Columbia to Washington, east to Montana and Wyoming.

Habitats

Woodland Garden Dappled Shade; Shady Edge;

Edible Uses

None known

Medicinal Uses

Miscellany A decoction of the leaves has been used to treat headaches[257]. The root has been used in the treatment of congested nose pain[257].

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].