A native of the northwestern region of USA and Canada.
Plant Type
All Plants, Bulbs, corms, tubers, rhizoms, etc.
Hardiness Zone
5-9
Sunlight
full
Moisture
average, moist
Soil & Site
average, moist
Flowers
purple blue to bright blue, color variable, 5 tepals, flowers on tall stalk, 1-2 feet, good cut flowers
Leaves
thin, glossy, linear strap-like leaves, forms a clump of foliage from the base
Stems
onion-like bulb
Roots
fibrous off of the bulb
Dimensions
1-2 feet tall
Propagation
bulbs
Native Site
southwestern British Columbia to northwestern USA, found growing in marshy grasslands
Cultivar Origin
Introduced into cultivation by Scottish plant hunter David Douglas in 1827.
Misc Facts
Bulbs were roasted and consumed by native Americans. Lewis and CLark also relied on these bulbs as a food source. Also placed in the Liliaceae family. (syn C. esculenta)
Notes & Reference
#59-Naturalizing Bulbs (Rob Proctor),
#113-Bulbs for Gardens Habits (Judy Glattstein),
#188-Bulb (Anna Pavord),
#189-Bulbs of North America (North American Rock Garden Society)