Redrattle
Pedicularis flammea
- Native to:
- Canada, Greenland, Iceland, Labrador, Norway, Sweden, United States
Global Biodiversity Facility





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orobanchaceae
- Genus:
- Pedicularis
- Species:
- Pedicularis flammea
- USDA Symbol:
- PEFL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Parasite
- Height:
- 15 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- yellow, red
Garden & Ecology Notes
- Wildlife Value:
- bumblebees
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, nutrient-poor, acidic soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- often found in alpine and subalpine meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification and may germinate erratically. Hemiparasitic; requires host plant roots for successful establishment.
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