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?

Share

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
1 rating

Thursday - April 01, 2010

From: Plano, TX
Region: Southwest
Topic: Trees
Title: How close to a female tree will a male Possumhaw Holly need to be planted to ensure pollination in Plano, TX?
Answered by: Jimmy Mills

QUESTION:

I would like to plant a female Possumhaw Holly in my yard. Does a male need to be planted nearby in order for the female to have berries? If so, how close must the male tree be located?

ANSWER:

Possumhaw Holly,  Ilex decidua (possumhaw), is a dioecious species which means that both "male" and "female" plants are needed for the "female" to produce those beautiful berries that persisit through the winter months.

Possumhaw Holly plants are pollinated by bees, and I found some interesting information about bees in this Agriculture Fact Sheet #111 from the Province of British Columbia. In this I learned that bees can forage as far as 8 miles from the hive. From this, one might infer that the "male" tree could be planted anywhere in your yard. If bees find one of the trees, they should also find the other.

You might look around your neighborhood to see if there are any Possumhaw Holly trees with berries. If so, chances are there is a willing pollen donor in the neighborhood as well. This website from the University of Texas at Austin suggests that even though the plant is dioecious, some "female" flowers do contain stamens that produce pollen. So you may not need to plant a "male" tree after all.


Ilex decidua

Ilex decidua

 

 

 


 

More Trees Questions

What will grow under neighbor's overhanging tree in Grosse Pointe Woods MI
May 29, 2011 - My next door neighbor has a beautiful tree that is easily 60 years old and thus not going anywhere. Unfortunately, for me the roots of this tree have extended under a large corner of my back yard. Add...
view the full question and answer

Browning of Red Western cedars in Medina, OH
April 09, 2009 - I have a row of Red Western Cedars bordering my yard. One week after my lawn people but down spring fertilizer and grub control, they began turning brown. Is there any correlation? If not, what cau...
view the full question and answer

Pecan tree for Johnson City TN
September 10, 2009 - I live in E. Tennessee and was wondering if there are any pecan trees that can be grown here? If so, which type? I am a native Texan and love pecans. I would appreciate any information you can give ...
view the full question and answer

What plants grow well in Athens, TX?
January 18, 2011 - Athens, Texas, we have very sandy soil mixed with clay, what plants grow well here?
view the full question and answer

Pine trees for West Virginia
August 16, 2009 - I have two acres in the Canaan Valley, West Va. and would like to plant pine trees. What type would you recommend that the deers won't eat and the cold climate won't kill.
view the full question and answer

Smarty Plants's Facebook profile Support the Wildflower Center by Donating Online or Becoming a Member today.

Mr. Smarty Plants wants you to be his Facebook friend. Click the Facebook icon to add yourself to Mr. Smarty Plants list of friends.
E-NEWSLETTER | BECOME A MEMBER | DONATE NOW | MEDIA | SITEMAP
© 2014 Lady Bird Johnson Wildflower Center