General Plant Information (Edit)
Life cycle: Perennial
Sun Requirements: Partial or Dappled Shade
Partial Shade to Full Shade
Water Preferences: Wet Mesic
Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 8a
Plant Height: 18 to 24 inches
Plant Spread: 18 to 24 inches
Leaves: Unusual foliage color
Deciduous
Variegated
Spring ephemeral
Other: Better suited to hot, humid summers than 'Brise d'Anjou'
Flowers: Showy
Fragrant
Flower Color: Other: Small, elegant sky blue flowers
Bloom Size: Under 1"
Flower Time: Late winter or early spring
Spring
Uses: Groundcover
Cut Flower
Will Naturalize
Resistances: Deer Resistant
Propagation: Seeds: Self fertile
Sow in situ
Pollinators: Bees
Containers: Not suitable for containers
Miscellaneous: Goes Dormant
Awards and Recognitions: Other: U.S. Plant Patent PP13,441 issued December 31, 2002

Image
Common names
  • Jacob's Ladder

Photo Gallery
Location: At the Missouri Botanical Garden in Saint Louis
Date: April, 2001
Jacob's Ladder (Polemonium caeruleum 'Snow and Sapphires') 002
Location: At the Missouri Botanical Garden in Saint Louis
Date: April, 2001
Jacob's Ladder (Polemonium caeruleum 'Snow and Sapphires') 001
Location: Baker's Acres Nursery, Alexandria Ohio
Date: 2008-05-08
Location: My garden in Kentucky
Date: 2007-06-11

Date: 2010-02-11
Photo courtesy Terra Nova Nurseries,Inc. wwwterranovanurseries.co

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