Columbian Bitterroot, Columbian lewisia, Wallowa lewisia

Lewisia columbiana

Physical Characteristics

Lewisia columbiana is an evergreen Perennial growing to 0.2 m (0ft 8in) by 0.2 m (0ft 8in) at a slow rate. See above for USDA hardiness. It is hardy to UK zone 5 and is not frost tender. It is in leaf all year, in flower from May to June. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

Distribution

Western N. America - South British Columbia to Oregon..

Habitats

Cultivated Beds; North Wall. In. East Wall. In. West Wall. In.

Edible Uses

Edible Parts: Root Edible Uses: Root - cooked[257]. Said to be extremely nutritious. It is easiest to use when the plant is in flower because the outer layer of the root (which is very bitter) slips off easily at this time of the year. The root has a good taste though a decided bitter flavour develops afterwards[105, 161].

Medicinal Uses

None known

Known Hazards

None known