Polemonium Species, Jacob's Ladder
Polemoniumdelicatum

Family: Polemoniaceae (po-le-moh-nee-AY-see-ee)
Genus: Polemonium (po-le-MOH-nee-um)
Species: delicatum (del-ih-KAY-tum)

Category
Alpines and Rock Gardens

Water Requirements

Sun Exposure
Sun to Partial Shade

Foliage

Foliage Color

Height
under 6 in. (15 cm)

Spacing
3-6 in. (7-15 cm)

Hardiness
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger

Bloom Color
Dark Blue

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements

Patent Information
Non-patented

Propagation Methods

Seed Collecting