Cascade Azalea
Rhododendron albiflorum
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ericaceae
- Genus:
- Rhododendron
- Species:
- Rhododendron albiflorum
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 8-12 ft
- Light Requirements:
- Full Sun, Part Shade, Shade
- Drought Tolerance:
- High
- Bloom Months:
- jul, aug
- Bloom Colors:
- White
- Evergreen Shrub:
- Yes
- Landscaping Shrub:
- Yes
Native Range
United States: Colorado, Idaho, Montana, Oregon, Washington, Canada: Alberta, British Columbia
Keystone Species Ranking
- Caterpillar Keystone:
- ★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
Host Plant for Caterpillars
Lyonetia candida
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), Indiscriminate cuckoo bumble bee (Bombus insularis), Indiscriminate cuckoo bumble bee (Bombus insularis), Sitka bumble bee (Bombus sitkensis), Sitka bumble bee (Bombus sitkensis), Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius)
Soil Requirements
- Soil Type:
- moist, well-drained, acidic soil
- pH:
- 4.5 - 6.0 (acidic)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers organic-rich soils in forested areas
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: OpenAI GPT-4o