Western Water Hemlock
Cicutadouglasii

Category
Biennials

Water Requirements

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage

Foliage Color
Blue-Green

Height
36-48 in. (90-120 cm)

Spacing
6-9 in. (15-22 cm)

Hardiness
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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Where to Grow

Danger
All parts of plant are poisonous if ingested

Bloom Color
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Mid Summer

Other details
May be a noxious weed or invasive

Soil pH requirements
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
Plant is viviparous

Seed Collecting
Wear gloves to protect hands when handling seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed