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PlantFiles: Showy Jacob's Ladder
Polemonium pulcherrimum

 
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Family: Polemoniaceae (po-le-moh-nee-AY-see-ee) (Info)
Genus: Polemonium (po-le-MOH-nee-um) (Info)
Species: pulcherrimum (pul-KAIR-ih-mum) (Info)

4 members have or want this plant for trade.

Category:
Alpines and Rock Gardens

Height:
6-12 in. (15-30 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Sun Exposure:
Unknown - Tell us

Danger:
Unknown - Tell us

Bloom Color:
Pale Yellow
Light Blue

Bloom Time:
Late Spring/Early Summer

Foliage:
Unknown - Tell us

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Non-patented

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By Weezingreens
Thumbnail #1 of Polemonium pulcherrimum by Weezingreens

By kennedyh
Thumbnail #2 of Polemonium pulcherrimum by kennedyh

By Todd_Boland
Thumbnail #3 of Polemonium pulcherrimum by Todd_Boland

By Grasmussen
Thumbnail #4 of Polemonium pulcherrimum by Grasmussen

By Grasmussen
Thumbnail #5 of Polemonium pulcherrimum by Grasmussen

By Grasmussen
Thumbnail #6 of Polemonium pulcherrimum by Grasmussen

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorComment
Positive Grasmussen On Nov 2, 2006, Grasmussen from Anchorage, AK (Zone 4a) wrote:

Polemonium pulcherrimum, Beautiful Jacob's Ladder, is a perennial native wildflower, often cultivated, in Anchorage, Alaska. In cultivation, mature plants form rounded clumps, covered with hundreds of flowers. They provide a welcome burst of color, to the early spring garden. Flowers have five blue-violet petals with yellow centers. A very similar plant, Polemonium acutiflorum, Tall Jacob's Ladder, has similar flowers with white centers. Beautiful Jacob's Ladder are easy to grow, and will tolerate a wide range of conditions. They are a desirable addition to any perennial flower bed or rock garden.

Neutral Weezingreens On Feb 14, 2002, Weezingreens from Seward, AK (Zone 3b) wrote:

Tap-rooted perennial with several erect sprawling stems from branched, thickened stem bases. Leaves mostly basal with ladder-like leaflets. Bell-shaped flowers are light blue, occasionally white, with yellow centers, growing in clusters. This hardy wildflower is native to the Northwest States, Alaska, and Canada in arid situations from sea level to 5,000 ft. It self-seeds readily. Attractive to honey bees.

Regional...

This plant has been said to grow in the following regions:

Anchorage, Alaska
Seward, Alaska



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