Native to North America (Turtle Island), the Butternut tree, scientifically known as Juglans cinerea, is a deciduous tree characterized by its pinnately compound leaves with elongated leaflets and its grayish-brown bark that becomes deeply furrowed with age. The Butternut tree is the cold hardiest of the Walnuts and produces edible nuts encased in thick, ridged husks that glisten with oil when cracked open. They are valued for their timber as well as its ornamental qualities in landscaping.
Mature Height: 60 - 80 feet
Hardiness Zone: 4a - 8
Pollination: Self fertile, however will have better nut production with at least two trees
Gene Source: Mixed genes from cultivar parent trees, including Chamberlin, Kenworthy, Iroquois CA, Bear, and Buckworth
Important Detail: The butternut canker is a fungal disease caused by Sirococcus clavigignenti-juglandacearum. It forms cankers on the bark, leading to tree decline and death, posing a significant threat to butternut populations in North America. Conservation efforts are underway to address this issue and there are trees that live to and well past the age of nut production (e.g., 50 years).
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