Northern Mountain Ash (Decora)

The Northern Mountain Ash (Decora) is generally described as a perennial tree or shrub. This is native to the U.S. (United States) has its most active growth period in the summer and fall . The Northern Mountain Ash (Decora) has gray-green foliage and inconspicuous white flowers, with an abuncance of conspicuous red fruits or seeds. The greatest bloom is usually observed in the early summer, with fruit and seed production starting in the fall and continuing until fall. Leaves are not retained year to year. The Northern Mountain Ash (Decora) has a short life span relative to most other plant species and a slow growth rate. At maturity, the typical Northern Mountain Ash (Decora) will reach up to 40 feet high, with a maximum height at 20 years of 60 feet.

The Northern Mountain Ash (Decora) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by seed. It has a moderate ability to spread through seed production and the seedlings have high vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -50°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Slow
General Type Tree, Shrub
Growth Period Summer, Fall
Growth Duration Perennial
Lifespan Short
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Early Summer
Displays Fall Colors Yes
Shape/Growth Form Single Crown
Drought Tolerance Low
Shade Tolerance Tolerant
Height When Mature 40
Vegetative Spread Slow
Flower Color White
Flower Conspicuousness Yes
Fruit/Seed Abundance High
Fruit/Seed Seasonality Fall Fall
Seed Spread Rate Moderate
Gardening Characteristics
Propagations (Ways to Grow) Seed
Moisture Requirements Low
Cold Stratification Required Yes
Minimum Temperature -50
Soil Depth for Roots 36
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Regrowth Rate None
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 4–7 pH
Precipitation Range 16–16 inches/yr
Planting Density 320–1200 indiv./acre
Soil Textures Fine
Soil Depth for Roots 36
Minimum Frost-Free Days 88 day(s)
Salinity Tolerance None
CaCO3 Tolerance Low
Sustainability & Use
Leaf Retention No
Palatability Medium
Fire Resistant No
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database,
National Plant Data Center, Baton Rouge, LA 70874-4490 USA