Green Ash
Green ash is a large, native, deciduous tree with upright branches, spreading form and irregular crown. Shiny medium green leaves turn yellow to orange in the fall. Seeds are paper brown samaras.
Green ash was once a highly recommended tree. Due to the presence of the emerald ash borer in Colorado, tree care professionals are no longer recommending ash trees be planted in Colorado.
'Marshal' is a seedless cultivar with darker green leaves tuning yellow in fall, and bark that creates a diamond pattern up the trunk. 'Cimmaron' is also seedless with a more upright and columnar shape, glossy green leaves turn to reddish purple in the fall.
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Green Ash
Green ash is a large, native, deciduous tree with upright branches, spreading form and irregular crown. Shiny medium green leaves turn yellow to orange in the fall. Seeds are paper brown samaras.
Green ash was once a highly recommended tree. Due to the presence of the emerald ash borer in Colorado, tree care professionals are no longer recommending ash trees be planted in Colorado.
'Marshal' is a seedless cultivar with darker green leaves tuning yellow in fall, and bark that creates a diamond pattern up the trunk. 'Cimmaron' is also seedless with a more upright and columnar shape, glossy green leaves turn to reddish purple in the fall.
Plant details
Botanic Name
Fraxinus pennsylvanica
Pronunciation
FRAK-si-nus pen-sil-VAN-ih-kuh
Mature Height
50 to 60 ft.
Mature Spread
25 to 30 ft.
Water usage
Water Usage
One Droplet: Water twice per month or less, once established.
Two Droplets: Water about once per week, once established.
Three Droplets: Water about twice per week, once established.
Flower Color
green-yellow
Bloom time
inconspicuous
Colorado Native
Yes
Natural Habitat
North America
Light Requirements
sun
Cold Hardiness
USDA zones 3-9
Elevation Limit
hardy to 8,000 ft.
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