White Ash 'Autumn Purple'

Fraxinusamericana

Family
Oleaceae (oh-lee-AY-see-ee)
Genus
Fraxinus (FRAK-si-nus)
Species
americana (a-mer-ih-KAY-na)
Synonym
Sun Exposure
Full Sun
Foliage
Grown for foliage
Deciduous
Height
over 40 ft. (12 m)
Spacing
30-40 ft. (9-12 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
White/Near White
Cream/Tan
Silver/Gray
Inconspicuous/none
Bloom Time
Mid Spring
Other Details
Category
Trees
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Burgundy/Maroon
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Champaign, Illinois

Wheaton, Illinois

Georgetown, Kentucky

Louisville, Kentucky

Redford, Michigan

Ballwin, Missouri

Saint Louis, Missouri

Cincinnati, Ohio

Perry, Ohio

West Chester, Pennsylvania

Orem, Utah

Appleton, Wisconsin

Janesville, Wisconsin

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Featured Videos

Gardener's Notes:

2
positives
1
neutral
1
negative
Sort By:
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R
Downingtown, PA | July 2015 | positive

This is the most commonly planted cultivar of White Ash in the Midwest and Eastern USA. It is a "male" tree that only bears staminate flo...Read More

F
F
West Sacramento, CA | May 2012 | positive

I have four Autumn Purple ashes outside my bedroom windows on the west side of my house. I planted them in 2001and they are now about 30...Read More

R
Saint Louis, MO (Zone 5b) | March 2012 | neutral

Overall a nice shade tree. Interesting leave shape and overall oval/pyramid tree shape.

Grows fast --- 16-24" a year. Boug...Read More

T
(Zone 9b) | February 2006 | negative

Wow, this tree is gorgeous. But when I researched it I found there is a new non-native borer that is eating these at a rapid pace starti...Read More

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