Mt. Rainier Lousewort
Pedicularis rainierensis
- Native to:
- United States
Ben Cody





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orobanchaceae
- Genus:
- Pedicularis
- Species:
- Pedicularis rainierensis
- USDA Symbol:
- PERA6
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Parasite
- Height:
- 40 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jul,aug
- Bloom Colors:
- yellow, cream
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bumblebees
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 6.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to subalpine meadows, prefers cool environments
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Notes:
- Hemiparasitic; requires host plant roots for establishment. Germination may be erratic without suitable host nearby.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI