Wright SWCD 2007 Tree Program

Butternut

ALERT!!

Butternut has been listed on the threatened plant list

Hardiness Zones: 2 - 8

Habit: On favorable sites the root system is deep, but it also may be widespreading.

Growth Rate: Slow

Site Requirements: Full to partail sun.  Moderate drought tolerance.  Butternut is found most frequently in coves, on stream benches and terraces, on slopes, in the talus of rock ledges, and on other sites with good drainage. 

Soil: Moist  to Well Drained. 

Texture: The bark is smooth and a light brownish gray when it is young; it becomes deeply and openly furrowed with intersecting flat topped ridges when it is older

Form: Broad spreading, irregularly rounded crown

Height: 40 to 60 feet

Width: 15 to 30 feet

Leaf: The lateral leaflets are arranged more or less opposite to one another along a glandularly hairy rachis

Flower/Fruit: Butternut flowers from April to June, depending upon location. TFlowers of both sexes do not usually mature simultaneously on any individual tree. The fruit is an oblong ovoid pointed nut

Comments: Excellent for wildlife.  Butternut is also known as white walnut.

Medium-sized tree in the summer

 

 

 

 

 

 

An expanded male catlin

 
Female flowers clustered along a stem in the axil of a new leaf  
Crown of small-sized tree in winter
Developing fruit in late summer
   
     
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Redosier Dogwood Red Splendor Crabapple Butternut White Pine
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American Hazelnut   Hackberry Colorado Spruce
Juneberry   Red Maple  
Common Lilac   Bur Oak  
Silverberry   Black Walnut