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Polemonium pulcherrimum Hook.
Jacob's-ladder, Skunk Leaf
Polemoniaceae (Phlox Family)
USDA Symbol: popu3
USDA Native Status: L48 (N), AK (N), CAN (N)
An 8-16 in. perennial with a clump of several somewhat erect stems. Long, pinnately compound leaves are rather ferny in appearance, the lobes closely overlapping. Small, blue-violet, bell-like flowers occur in loose clusters on the flowering stem. The erect bells have a yellowish tube.
This wildflower has a pungent, skunk-like odor.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Fruit Type: Capsule
Size Notes: Up to about 16 inches tall.
Bloom InformationBloom Color: White , Yellow , Blue , Purple , Violet
Bloom Time: May , Jun , Jul , Aug
Bloom Notes: Blue to blue-violet to nearly white, with a yellow throat.
DistributionUSA: AK , AZ , CA , CO , ID , MT , NM , NV , OR , UT , WA , WY
Native Distribution: AK to CA Sierras & WY Rockies
Native Habitat: Dry, rocky, often volcanic mt. slopes; mesic to moist shaded places
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Dry, rocky to richer, moist soils .
Conditions Comments: This wildflower has a pungent, skunk-like odor.
PropagationDescription: Propagate by divisions or seed.
Seed Treatment: No treatment is necessary but stratifying stored seed may improve results.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
BibliographyBibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.
Search More Titles in Bibliography
Web ReferenceWebref 30 - Calflora (2018) Calflora
Webref 37 - Calscape (2019) California Native Plant Society
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Polemonium pulcherrimum in USDA Plants
FNA: Find Polemonium pulcherrimum in the Flora of North America (if available)
Google: Search Google for Polemonium pulcherrimum
MetadataRecord Modified: 2023-02-23
Research By: TWC Staff