Arizona Mountain Ash
Sorbus scopulina
- Native to:
- Canada, United States
Bay State Nurseries Wyman, Windsor H Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Bay State Nurseries Wyman, Windsor H Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Bobbink & Atkins (Nursery) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,United States. Soil Conservation Service Cleary, C. W,Framingham Nurseries (Framingham, Mass.) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Otto Katzenstein & Co Henry G. Gilbert Nursery and Seed Trade Catalog Collection,William Reid (Firm) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Atlanta, Ga. ; New York : Otto Katzenstein & Co,Framingham Nurseries (Framingham, Mass.) Wyman, Richard M Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Bay State Nurseries W.H. Wyman & Son Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Framingham Nurseries (Framingham, Mass.) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Sorbus
- Species:
- Sorbus scopulina
- USDA Symbol:
- SODU2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 400 cm
- Light Requirements:
- Full Sun,Part Shade,Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white, cream
- Landscaping Shrub:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Butterfly & moth species supported by this genus (NWF)
Reported Fauna Sightings
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, bears
- Fall Color:
- red, orange, yellow
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire; often increases in density after moderate-severity burns in montane forests.
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 90–180 days
- Germination Time:
- 30–365 days
- Notes:
- Double dormancy often required; warm stratification followed by cold stratification. Germination can be slow and erratic.
The above propagation data sourced from Claude AI
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
ORGHPS Germination Guide: Place on damp paper towel in plastic bag for 6 weeks in fridge - should germinate in cold