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PlantFiles: Jacob's Ladder
Polemonium caeruleum 'Snow & Sapphires'

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Family: Polemoniaceae (po-le-moh-nee-AY-see-ee) (Info)
Genus: Polemonium (po-le-MOH-nee-um) (Info)
Species: caeruleum (see-ROO-lee-um) (Info)
Cultivar: Snow & Sapphires
Additional cultivar information: (PP13441, aka Snow and Sapphires)
Hybridized by Mcdonald/Heims; Year of Registration or Introduction: 2001

One vendor has this plant for sale.

6 members have or want this plant for trade.

Category:
Perennials

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
12-15 in. (30-38 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
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)

Sun Exposure:
Light Shade
Partial to Full Shade
Full Shade

Danger:
Unknown - Tell us

Bloom Color:
Medium Blue
Purple
White/Near White

Bloom Time:
Mid Summer

Foliage:
Herbaceous

Other details:
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Patented

Propagation Methods:
By dividing the rootball
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Bag seedheads to capture ripening seed
Wear gloves to protect hands when handling seeds
Properly cleaned, seed can be successfully stored

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By Dravencat
Thumbnail #1 of Polemonium caeruleum by Dravencat

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No details have been posted.

Regional...

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

Anchorage, Alaska
Machesney Park, Illinois
Roscoe, Illinois
Fishers, Indiana
Ann Arbor, Michigan
Grand Rapids, Michigan
South Lyon, Michigan
Akron, Ohio
Haviland, Ohio
Lexington, Virginia



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