Polemonium Species, Rocky Mountain Jacob's Ladder
Polemoniumconfertum

Family: Polemoniaceae (po-le-moh-nee-AY-see-ee)
Genus: Polemonium (po-le-MOH-nee-um)
Species: confertum (KON-fer-tum)

Category
Alpines and Rock Gardens

Water Requirements
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Full Sun

Foliage
Herbaceous
Succulent

Foliage Color

Height
under 6 in. (15 cm)

Spacing

Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
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)

Where to Grow

Danger

Bloom Color
Lavender

Bloom Characteristics

Bloom Size

Bloom Time
Late Winter/Early Spring
Mid Spring

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
By dividing the rootball

Seed Collecting