Polemonium
Jacob's-ladder, polemonium, sky-pilot
8 species
1 subspecies and varieties
1 subspecies and varieties
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Polemonium californicum – low Jacob's-ladder
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana.
Habitat: Shaded or moist places from middle elevations to the subalpine.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana.
Habitat: Shaded or moist places from middle elevations to the subalpine.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Polemonium carneum – royal Jacob's-ladder, great polemonium, salmon polemonium
Distribution: Occurring west of the Cascades crest on the Olympic Peninsula and southwestern Washington; Olympic Peninsula to California.
Habitat: Thickets, woodlands and forest openings, from near sea level to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest on the Olympic Peninsula and southwestern Washington; Olympic Peninsula to California.
Habitat: Thickets, woodlands and forest openings, from near sea level to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Polemonium elegans – elegant Jacob's-ladder, elegant polemonium
Distribution: Occurring in the Olympics and Cascades mountains in Washington; British Columbia to Washington.
Habitat: Open, often rocky areas, middle to high elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Distribution: Occurring in the Olympics and Cascades mountains in Washington; British Columbia to Washington.
Habitat: Open, often rocky areas, middle to high elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Polemonium micranthum – annual Jacob's-ladder, annual polemonium
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Common is open plains and foothills, often with sagebrush.
Origin: Native
Flowers: March-May
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Common is open plains and foothills, often with sagebrush.
Origin: Native
Flowers: March-May
Growth Duration: Annual
Polemonium occidentale – western Jacob's-ladder, western polemonium
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Great Lakes region.
Habitat: Wet meadows and stream banks middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Great Lakes region.
Habitat: Wet meadows and stream banks middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Polemonium pectinatum – Washington Jacob's-ladder, Washington polemonium
Distribution: Occurring east of the Cascades crest, where endemic to central and eastern Washington.
Habitat: Moist bottom lands in scabland habitat.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest, where endemic to central and eastern Washington.
Habitat: Moist bottom lands in scabland habitat.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Polemonium pulcherrimum – showy polemonium
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: High elevations in the mountains, often in open areas above timberline.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: High elevations in the mountains, often in open areas above timberline.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
• var. pulcherrimum – showy Jacob's-ladder
Polemonium viscosum – sticky Jacob's-ladder, sticky polemonium
Distribution: Occurring east of the Cascades crest in Washington, where known only from Okanogan County. British Columbia to Oregon and Nevada, east to the Rocky Mountains.
Habitat: Open rocky places at high elevations in the mountains, commonly above timberline.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington, where known only from Okanogan County. British Columbia to Oregon and Nevada, east to the Rocky Mountains.
Habitat: Open rocky places at high elevations in the mountains, commonly above timberline.
Origin: Native
Flowers: July-September
Growth Duration: Perennial
