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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Polemonium acutiflorum (Tall jacob's-ladder)
Weyand, Phyllis

Polemonium acutiflorum

Polemonium acutiflorum Willd. ex Roem. & Schult.

Tall Jacob's-ladder

Polemoniaceae (Phlox Family)

Synonym(s): Polemonium caeruleum ssp. villosum

USDA Symbol: poac

USDA Native Status: AK (N), CAN (N)


From the Image Gallery

7 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.

Bloom Information

Bloom Color: White , Blue , Purple
Bloom Time: Jun , Jul , Aug
Bloom Notes: Rarely petals are all white.


Canada: AB , BC

National Wetland Indicator Status

Status: FAC
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 61 - Alaska Wildflowers (2020)
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Polemonium acutiflorum in USDA Plants
FNA: Find Polemonium acutiflorum in the Flora of North America (if available)
Google: Search Google for Polemonium acutiflorum


Record Modified: 2022-12-06
Research By: TWC Staff

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