White Ash
Fraxinus americana

Family: Oleaceae (oh-lee-AY-see-ee) (Info)
Genus: Fraxinus (FRAK-si-nus) (Info)
Species: americana (a-mer-ih-KAY-na) (Info)
View this plant in a garden

Category:

Trees

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)

Sun Exposure:

Full Sun

Danger:

Unknown - Tell us

Bloom Color:

White/Near White

Cream/Tan

Silver/Gray

Inconspicuous/none

Bloom Time:

Mid Spring

Foliage:

Deciduous

Other details:

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

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

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 has been said to grow in the following regions:

Champaign, Illinois

Glen Ellyn, Illinois

Rock Falls, Illinois

Indianapolis, Indiana

Benton, Kentucky

Georgetown, Kentucky

Louisville, Kentucky

Lexington, Massachusetts

Minneapolis, Minnesota

Saint Paul, Minnesota

Frenchtown, New Jersey

Fairport, New York

Perry, Ohio

Downingtown, Pennsylvania

Alice, Texas

San Antonio, Texas

Seattle, Washington

Appleton, Wisconsin

Janesville, Wisconsin

show all

Gardeners' Notes:

2
positives
3
neutrals
0
negatives
RatingContent
Positive

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

This is a common forest tree in many parts of the Midwest and East USA. It is also planted a lot in landscapes there, though usually as a cultivar since the 1970's. 'Autumn Purple' is the most commonly planted cultivar. It grows about 1.5 feet/year and lives about 150 to 200 years. It usually has 7 leaflets that are bigger and more rounded than the Green Ash, though there can be 5 to 9. The gray-brown bark is furrowed in a diamond-like pattern. The young branches have smooth grayish bark. The leaf scar, where the leaf falls off in autumn, looks like a smile. The autumn color is good of being bright gold or orange or red-purple. It is a good quality tree. It is susceptible to the new Emerald Ash Borer, but does not get killed as fast as the Green Ash does.

Neutral

On Feb 14, 2009, Mrs_Ed from Whiteside County, IL (Zone 5a) wrote:

We have two of these trees that are at least 50 years old and planted by the first owners of this house from our neighbor's family farm. The are great shade trees, but both have developed Ash Yellows. We had them treated and fertilize with 10-10-10 in April and November. To prolong their life, we try to make sure they have good water during dry months.

The downside to this tree is the amount of small seeds late in the year. We also see lots of Ash seed weevils in September. Once we had Ash anthracnose after a wet spring.

Overall, a nice tree though.

Neutral

On Mar 2, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

This is a very interesting underused species of ash. If you select a cutivar instead of the type, you get interesting fall colors which range from royal purple to orange - red compare to Green Ash which is one of the most common planted ashes by far - in Minnesota 90% of ashes planted are Green Ash with Black ash popping up once in a while and they both have yellow fall colors. Black Ash often comes in from the wild. With the wild white ash, you kind of roll the dice - you can end up with yellow instead of other fall colors. Have significant disease problems which limits its uses.

Positive

On Jul 8, 2004, melody from Benton, KY (Zone 7a) wrote:

The most valuable and largest native Ash. Uses include Furniture, flooring, interior millwork, tool handles, musical instruments, skis and oars.

This tree can get quite large 70' to 90' and is favored for shade plantings.

Neutral

On Aug 29, 2002, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This particular ash is one of the tallest species, reaching as high as 80 ft.

Ash trees are great shade trees.