Pacific Waterleaf
Hydrophyllum tenuipes
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Boraginaceae
- Genus:
- Hydrophyllum
- Species:
- Hydrophyllum tenuipes
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 2-3 ft
- Light Requirements:
- Part Shade, Shade
- Drought Tolerance:
- High
- Bloom Months:
- may, jun, jul
- Bloom Colors:
- White, Green, Blue, Purple, Brown
Native Range
United States: California, Oregon, Washington, Canada: British Columbia
Host Plant for Caterpillars
Caloreas augustella
Reported Fauna Sightings
Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus), Fuzzy-horned bumble bee (Bombus mixtus), Fuzzy-horned bumble bee (Bombus mixtus), Obscure bumble bee (Bombus caliginosus), Obscure bumble bee (Bombus caliginosus), Sitka bumble bee (Bombus sitkensis), Sitka bumble bee (Bombus sitkensis), Yellow head bumble bee (Bombus flavifrons), Yellow head bumble bee (Bombus flavifrons)
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- prefers shaded, forested environments
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: OpenAI GPT-4o