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Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

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Friday - June 08, 2012

From: Milwaukee, WI
Region: Midwest
Topic: Trees
Title: Butternut blossom time from Milwaukee WI
Answered by: Barbara Medford

QUESTION:

When does the butternut tree blossom?

ANSWER:

Juglans cinerea (Butternut), a member of the walnut family, blooms April to June, and is native to Wisconsin. There is apparently another tree with the common name "butternut" that is native to Australia, but we are assuming you are referring to the tree native to North America. From the USDA Forest Service, here is more information on it. Pictures

 

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