Sagebud

Northern Mountain Ash (Sorbus decora)

Sorbus Decora, or more commonly know as Northern Mountain Ash, is a tree shrub with gray-green foliage and white flowers of the genus Sorbus. It has a slow growth rate and a height of 40 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is summer and fall, blooms during early summer and is tolerant of shade. Sorbus Decora or Northern Mountain Ash's floral region is North America US Lower 48, specifically in the states of Connecticut, Iowa, Illinois, Indiana, Massachusetts, Maine, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Vermont and Wisconsin.

Category: Dicot
Genus: Sorbus
Family: Rosaceae
Order: Rosales
Class: Magnoliopsida
Division: Magnoliophyta
Duration: Perennial
Growth Habit: Tree Shrub
Native Status: L48 (N) CAN (N) GL (N) SPM (N)
State T/E Status: IN (X) MA (E) OH (E) PA (E)
State T/E Common Name: IN (northern mountain-ash) MA (northern mountain-ash) OH (western mountain-ash) PA (showy mountain-ash)
National Wetland Indicator Status: UPL FAC
Regional Wetland Indicator Status: 1(FAC*) 3(UPL)
Active Growth Period: Summer and Fall
After Harvest Regrowth Rate: None
Allelopath: No
Bloat: None
C:N Ratio: High
Coppice Potential: No
Fall Conspicuous: Yes
Fire Resistance: No
Flower Color: White
Flower Conspicuous: Yes
Foliage Color: Gray-Green
Foliage Porosity Summer: Moderate
Foliage Porosity Winter: Porous
Foliage Texture: Fine
Fruit/Seed Color: Red
Fruit/Seed Conspicuous: Yes
Growth Form: Single Crown
Growth Rate: Slow
Height at 20 Years Maximum (feet): 60
Height Mature (feet): 40
Leaf Retention: No
Lifespan: Short
Low Growing Grass: No
Resprout Ability: No
Shape and Orientation: Oval
Toxicity: Slight
Adapted to Coarse Textured Soils: No
Adapted to Fine Textured Soils: Yes
Adapted to Medium Textured Soils: No
Anaerobic Tolerance: Low
CaCO3 Tolerance: Low
Cold Stratification Required: Yes
Drought Tolerance: Low
Fertility Requirement: Medium
Fire Tolerance: Medium
Frost Free Days Minimum: 88
Hedge Tolerance: Low
Moisture Use: Low
pH (Minimum): 4
pH (Maximum): 7
Planting Density per Acre Minimum: 320
Planting Density per Acre Maximum: 1200
Precipitation (Minimum): 16
Precipitation (Maximum): 51
Root Depth Minimum (inches): 36
Salinity Tolerance: None
Shade Tolerance: Tolerant
Temperature Minimum (°F): -50
Bloom Period: Early Summer
Commercial Availability: Routinely Available
Fruit/Seed Abundance: High
Fruit/Seed Period Begin: Fall
Fruit/Seed Period End: Fall
Fruit/Seed Persistence: Yes
Propagated by Bare Root: No
Propagated by Bulbs: No
Propagated by Container: No
Propagated by Corms: No
Propagated by Cuttings: No
Propagated by Seed: Yes
Propagated by Sod: No
Propagated by Sprigs: No
Propagated by Tubers: No
Seed per Pound: 15181
Seed Spread Rate: Moderate
Seedling Vigor: High
Small Grain: No
Vegetative Spread Rate: Slow

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Northern Mountain Ash (Sorbus decora)

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