Autumn Purple is a cultivar of Fraxinus Americana , commonly known as the white ash tree . White ash is a deciduous tree diagram , native to the majority of North America . The Autumn Purple cultivar was first introduced in 1956 and is now prized for its beautiful fall leafage , which often deform earlier in the season and endure longer than most other tree that show fall colour .
Description
The barque is brownish - hoar and placid when untested , eventually becoming rough and deeply furrowed . The leaves of Autumn Purple white ash tree are colonial , with a long folio stem and five to nine booklet . The leaflets are opposite each other down the length of the base , with a single leaflet on the remainder . They are fishgig - shaped , greenish , and approximately two to four inches long . In the fall , the leaves turn late cerise , maroon or purpleness in color .
The tree ’s flowers , which come out in natural spring , are little , dark-green and inconspicuous . Autumn Purple snowy ash tree is an exclusively manful variety and does not give rise seed .
Growth Habits
Growing fast , Autumn Purple can gain over two feet of unexampled growth per year . The roots are shallow and easy seen on the open of the land , under the canopy of the Sir Herbert Beerbohm Tree and can pinch sidewalk and driveways , if planted too closely . Autumn Purple turn well in hardiness zones 3B through 9A.
Form
The tree usually grows from a individual result trunk with large arm reaching outward and upwards . It is a tall upright plant that can grow to 50 feet tall and just as wide . The tree is pyramid - regulate with a circular top , when youthful , finally rounding even more to an oval shape as it ripen . The canopy is symmetric with a even lineation , relatively dense and intermediate in texture .
Culture
Autumn Purple white ash choose full sun , although it will abide fond shade . The tree is adaptable to a wide variety of soils and will thrive in Lucius Clay , loam or sand , as long as the grease is well - draining . reasonably drouth tolerant , the plant life can also handle occasionally wet conditions . Autumn Purple ask little pruning to educate well . It is prostrate to set on from ash borers and boring insects common to ash tree .
Uses
Autumn Purple white-hot ash tree work well as a shade tree and is democratic for landscape medium - sized spaces . It is often used in plantings around parking caboodle , in median airstrip and to line streets and highway . Autumn Purple can also be used in residential configurations as a shade and grounds tree .
