Fraxinus nigra
Black Ash
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Black Ash (Fraxinus nigra) - Description
Fraxinus nigra (Black Ash) is a species of Fraxinus (ash) native to much of eastern Canada and the northeastern United States, from western Newfoundland west to southeastern Manitoba, and south to Illinois and northern Virginia. It is a medium-sized deciduous tree reaching 15–20 m (exceptionally 26 m) tall with a trunk up to 60 cm (exceptionally 160 cm) diameter.
Black Ash (Fraxinus nigra) - Blooming
Flowers are inconspicuous, and will not occur until the tree is around 30 years old. Some species have separate plants for the female and male flowers.
Black Ash (Fraxinus nigra) - Growth
Ash are relatively fast growing trees that can tolerate extreme temperatures. Excellent tree for shade, although Fraxinus grow best in full sun. The tree will continue to grow for about 100 years, and live for up to 250.
Black Ash (Fraxinus nigra) - Planting
Chill seeds 2-3 months before sowing. Sow in fall or spring in containers in an open frame. They will germinate. Cultivars may be grafted in spring.
Black Ash (Fraxinus nigra) - Pest
Ash trees are susceptible to boring insects. Additionally, ash whitefly is a large problem. These pests can be controlled using natural predators or broad spectrum insecticides.
Black Ash (Fraxinus nigra) - Interesting facts
Yggdrasil, the World Tree in Norse mythology, is said to have been a giant ash tree, supporting the entire world. Today its strong, but elastic wood has many uses, including baseball bats.
Black Ash (Fraxinus nigra) - Soil and irrigation
Ashes are tolerant of most soils and once established do not require much, if any irrigation. Most species do best in neutral to acidic soil that is well-draining and fertile.
