Western Water Hemlock

Cicuta douglasii

Western Water Hemlock

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apiaceae
Genus:
Cicuta
Species:
Cicuta douglasii

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
8-12 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may, jun, jul, aug, sep
Bloom Colors:
White

Native Range

United States: Alaska, California, Idaho, Montana, Nevada, Oregon, Washington, Canada: British Columbia, Northwest Territories

Host Plant for Caterpillars

Depressaria daucella, Black Swallowtail (Papilio polyxenes)

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus)

Soil Requirements

Soil Type:
rich, moisture-retentive clay or loam
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
often found in wet meadows and marshes