YELLOWSTONE ARBORETUM
" Stewards of the Natural Environment "
Billings, Montana @ ZooMontana
Ash
Patmore Green Ash
Catalogue A# 0094-042 WW8
GPS 45D 43' 47" N / 108D 37' 22" W
Fraxinus pennsylvanica 'Patmore'
Family: Oleaceae
Common name: Patmore Green Ash
Origin: North America
Location: Old aviary, along path, behind fence
Number in accession: (1) questionable
This 16 inch Green ash provides overall benefits of: $126 every year.
Tree or Plant Type: Tree
Foliage: Deciduous (seasonally loses leaves)
Native Locale: North America
Size Range: Large tree (more than 40 feet)
Mature Height: 50-60 feet
Mature Width: 25-40 feet
Light Exposure: Full sun (6 hrs direct light daily), Partial sun/shade (4-6 hrs light daily)
Hardiness Zones: Zone 2, Zone 3, Zone 4, Zone 5 , Zone 6, Zone 7, Zone 8, Zone 9
Soil Preference: Moist, well-drained soil, Wet soil
Acid Soils: Tolerant
Alkaline Soils: Tolerant
Salt Spray: Tolerant
Soil Salt: Tolerant
Drought Conditions: Tolerant
Poor Drainage: Tolerant
Planting Considerations: Aggressive, Weak wood and branch structure
Ornamental Interest: Fall color, Persistent fruit/seeds
Season of Interest: Early fall, Mid fall
Flower Color & Fragrance: Inconspicuous
Shape or Form: Oval, Round, Upright
Growth Rate: Fast
Transplants Well: Yes
Wildlife: Game birds, Insect pollinators, Migrant bird
CRITIQUE
Due to susceptibility to emerald ash borer (EAB), green ash is not recommended for planting anywhere in this region and usually requires removal and/or replacement. Green ash is a highly adaptable native tree; very cold hardy and tolerant of a wide range of soil pH and moisture levels.
