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Western Mountain Ash

Sorbus Sitchensis

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Overview

The Western Mountain Ash, Sorbus sitchensis, is a deciduous tree native to the Pacific Northwest. It typically reaches 13 to 33 feet in height, offering a compact, rounded canopy. Foliage is pinnate, turning fiery red in autumn. Clusters of white blossoms in spring give way to orange-red berries, attracting birds. Prefers moist, well-drained soils with full sun to partial shade. Hardy to USDA Zone 6. Ideal for wildlife gardens and small spaces.

Sun Full, HalfWater Extra in Summer, MediumZones 5–9Climate Temperate
Western Mountain Ash (Sorbus Sitchensis) — The Western Mountain Ash, Sorbus sitchensis, is a deciduous tree native to the Pacific Northwest

Culture

Sun
Full, Half
Water
Extra in Summer, Medium
USDA zones
5–9

Shape & size

Mature height
6–10 Ft.
Mature width
4–8 Ft.

Classification

Family
Rosaceae
Climate
Temperate

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Photos (43)

Western Mountain Ash (Sorbus Sitchensis) — The Western Mountain Ash, Sorbus sitchensis, is a deciduous tree native to the Pacific Northwest; clusters of white
Western Mountain Ash (Sorbus Sitchensis) — It typically reaches 13 to 33 feet in height, offering a compact, rounded canopy; each extending up to 2-3 inches
Western Mountain Ash (Sorbus Sitchensis) — Foliage is pinnate, turning fiery red in autumn; it thrives in USDA Hardiness Zones 5 through 7 and appreciates full
Western Mountain Ash (Sorbus Sitchensis) — Clusters of white blossoms in spring give way to orange-red berries, attracting birds; the Western Mountain Ash
Western Mountain Ash (Sorbus Sitchensis) — Ideal for wildlife gardens and small spaces; the foliage transitions to striking shades of red and orange
Western Mountain Ash (Sorbus Sitchensis) — is a breathtaking deciduous tree native to the Pacific Northwest; white flowers in the garden
Western Mountain Ash (Sorbus Sitchensis) — Prefers moist, well-drained soils with full sun to partial shade; it is a splendid addition to any landscape design
Western Mountain Ash (Sorbus Sitchensis) — It is a splendid addition to any landscape design, offering visual interest across all seasons; prefers moist
Western Mountain Ash (Sorbus Sitchensis) — This tree typically attains a height of 13-26 feet with a similar spread; the mountain ash greets gardeners with a
Western Mountain Ash (Sorbus Sitchensis) — the mountain ash greets gardeners with a showy display of white flowers; this tree typically attains a height of
Western Mountain Ash (Sorbus Sitchensis) — each cluster stretching 4-6 inches across; adding a splash of warmth to the cooler landscape.<br><br>For best growth
Western Mountain Ash (Sorbus Sitchensis) — which are composed of 9 to 11 leaflets; this tree is also relatively low-maintenance
Western Mountain Ash (Sorbus Sitchensis) — each extending up to 2-3 inches long; it typically reaches 13 to 33 feet in height, offering a compact, rounded
Western Mountain Ash (Sorbus Sitchensis) — the foliage transitions to striking shades of red and orange; ideal for wildlife gardens and small spaces
Western Mountain Ash (Sorbus Sitchensis) — orange-red berries in large clusters; shrub with white blooms
Western Mountain Ash (Sorbus Sitchensis) — adding a splash of warmth to the cooler landscape.<br><br>For best growth; each cluster stretching 4-6 inches across
Western Mountain Ash (Sorbus Sitchensis) — plant Sorbus sitchensis in well-drained soil with medium moisture; requiring limited pruning to maintain its
Western Mountain Ash (Sorbus Sitchensis) — It thrives in USDA Hardiness Zones 5 through 7 and appreciates full sun to partial shade; foliage is pinnate
Western Mountain Ash (Sorbus Sitchensis) — This tree is also relatively low-maintenance; which are composed of 9 to 11 leaflets

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