White Ash 'Autumn Purple'

Fraxinus americana

Family: Oleaceae (oh-lee-AY-see-ee) (Info)
Genus: Fraxinus (FRAK-si-nus) (Info)
Species: americana (a-mer-ih-KAY-na) (Info)
Cultivar: Autumn Purple
Additional cultivar information:(aka Autumn Purple, Junginger)



Foliage Color:


Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Requires consistently moist soil; do not let dry out between waterings

Where to Grow:

Unknown - Tell us


over 40 ft. (12 m)


30-40 ft. (9-12 m)


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)

Sun Exposure:

Full Sun



Bloom Color:

White/Near White




Bloom Time:

Mid Spring


Grown for foliage


Good Fall Color

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

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


This plant has been said to grow in the following regions:

Champaign, Illinois

Wheaton, Illinois

Georgetown, Kentucky

Louisville, Kentucky

Redford, Michigan

Ballwin, Missouri

Saint Louis, Missouri

Cincinnati, Ohio

Perry, Ohio

Salem, Oregon

West Chester, Pennsylvania

Orem, Utah

Appleton, Wisconsin

Janesville, Wisconsin

show all

Gardeners' Notes:


On Jul 9, 2015, Rickwebb from Downingtown, PA wrote:

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 flowers, so it is seedless. It has good dark green, glossy summer foliage and a good red-purple autumn color. Check out the mother species of White Ash in the files.


On May 15, 2012, Foxdog from West Sacramento, CA wrote:

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 feet tall. I have planted over 500 trees on my property and they are one of the most beautiful. They are really easy to take care of and are a great shade tree. They do not have invasive top roots like some other shade trees and I have had no problems with bores in them or any other problem. I was very surprised to see any negative comments about them. They are easy to prune and their shape is oval to round. If you want a perfect shade tree this is it!!


On Mar 30, 2012, roark1138 from Saint Louis, MO (Zone 5b) wrote:

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

Grows fast --- 16-24" a year. Bought mine at 10' and it's doubled in height and width in 6 years.

Large green leaves in the summer turn to gorgeous deep purple in the fall.

Two complaints: it's the last tree to leaf out in the spring and the first to lose its leaves in the fall. There are leaves on this tree 7 months of the year tops!

Also, I treat yearly with a systemic insecticide to protect against Emerald Ash Borer, but nevertheless I find myself worrying about it often during spring, summer, and fall. For the reason alone, I would not buy this tree again.


On Feb 24, 2006, Tir_Na_Nog from Houston
United States (Zone 9b) wrote:

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 starting from the north. Here's what my friend in Michigan had to say about them when I asked:

"The emerald ash borer is a big deal here! No one can transport firewood within the state so even if I have some great pine or something to take up north for my fire pit when camping, I can't take it--risk big fine and the bug being transported to a new area. Tons, and I mean tons, of trees were cut down this past year here in Saginaw because of the ash borer and the DNR trying to stop its progression."