trefle.io · Taken Jun 12, 2022 by Adam Van Straten (cc-by-sa)
Rosaceae
Greene's mountain ash
Sorbus scopulina
Also known as Sorbus dumosa, Sorbus sitchensis subsp. densa, Pyrus scopulina, Greene mountain ash
Flowering Plants · Native Plants · Trees & Shrubs · Mountain Ash · Sorbus · Native · Berries · Wildlife · Deciduous · Small Tree · Fall Color · Rosaceae · Western North America
Greene's mountain ash is a stunning native shrub or small tree known for its flat-topped white flower clusters in late spring and brilliant orange-red berry clusters in fall that are beloved by birds. It thrives in cool, mountainous climates with partial shade and consistently moist, well-drained soil. Minimal pruning is needed, and its striking four-season interest makes it an excellent choice for naturalistic or wildlife gardens.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply but infrequently, allowing the top 2 inches of soil to dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5.6–7.3
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed, Division, Cutting
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 4 ft
- Spacing
- 120 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, Arizona, California, Colorado, Idaho, Montana, Nevada, New Brunswick, New Mexico, Northwest Territorie, Oregon, Saskatchewan, South Dakota, Utah, Washington, Wyoming, Yukon
- Attracts
- Bees, Butterflies, Birds
Sources: trefle, usda
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