Polemonium, Jacob's Ladder
Polemoniumyezoense 'Purple Rain'

Category
Perennials

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

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage

Foliage Color
Orange/Apricot

Height
18-24 in. (45-60 cm)

Spacing
18-24 in. (45-60 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)

Where to Grow

Danger

Bloom Color
Blue-Violet

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer

Other details

Soil pH requirements

Patent Information

Propagation Methods
By dividing the rootball

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed