En EspaŅol

Q. Who is Mr. Smarty Plants?

A: There are those who suspect Wildflower Center volunteers are the culpable and capable culprits. Yet, others think staff members play some, albeit small, role. You can torture us with your plant questions, but we will never reveal the Green Guru's secret identity.

Help us grow by giving to the Plant Database Fund or by becoming a member

Did you know you can access the Native Plant Information Network with your web-enabled smartphone?


Ask Mr. Smarty Plants

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

Search Smarty Plants
See a list of all Smarty Plants questions
Can't find the answer in our existing FAQs, submit a question to Mr. Smarty Plants.
Need help with plant identification, visit the plant identification page.
rate this answer
Not Yet Rated

Friday - June 08, 2012

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


When does the butternut tree blossom?


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


More Trees Questions

Nuttall oak to replace ornamental pears in Houston, TX?
February 08, 2011 - We recently bought a house in the heart of Houston that has 2 huge flaming pear trees that were planted too close to the house and just engulf the house. Our landscaper suggested taking them out and ...
view the full question and answer

Problems with non-native indoor palm in Guilford CT
April 08, 2012 - My question is I have an indoor palm plant that I have had for 7 yrs. It has grown from about a 5" plant to about 3' tall plant. The past few weeks the leaves are turning yellow & brown and lost abo...
view the full question and answer

Trimming live oaks in Mamou LA
August 24, 2009 - We have 3 large Live Oak trees in our yard. The problem we are having is when we trim a branch off so we can walk under the branch, the whole branch dies back. Is there a certain way to trim the limbs...
view the full question and answer

Problems with Cedar Elm in Kerrville TX
April 28, 2012 - We live in 10 miles outside Kerrville - have a Cedar Elm tree - planted 4 or 5 years ago, 15-20 foot high, is losing leaves in the top 1/4th. Rest of leaves look healthy and green.
view the full question and answer

A good Amelanchier (Serviceberry) for Brooklyn, NY.
November 03, 2015 - I am looking to purchase an Amelanchier to plant in Brooklyn this month. Would you know which variety works best in a small garden and also is it too late to plant. Mainly, I am looking for someone wh...
view the full question and answer

Support the Wildflower Center by Donating Online or Becoming a Member today.
© 2015 Lady Bird Johnson Wildflower Center