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
2 ratings

Monday - February 18, 2008

From: Lago Vista, TX
Region: Southwest
Topic: Trees
Title: Tree protection during construction
Answered by: Candace Fountoulakis

QUESTION:

What measures can/should be taken to ensure the health, future of live oaks while building a new home? There are many small to medium oaks on this property, some very close to the house site and the owners would like to preserve as many as possible while building their new home.

ANSWER:

Congratulations for prioritizing the health of your trees during construction. To quote a previous answer by Green Guru Nan Hampton to a similar question, roots of trees generally extend at least as far out as the shadow of the canopy of the tree. This area is referred to as the Protected Root Zone (PRZ). Covering this area with concrete is likely to cause the death of the tree by physically damaging the roots and by inhibiting oxygen and water from reaching the roots. Additionally, the roots of the tree have the potential to damage/crack the concrete as they grow trying to reach water and oxygen. You can read more about protecting trees from damage during construction projects and advice about placement of pavement in the area of trees in Landscaping Around Established Trees from University of Nebraska-Lincoln Extension Service and Protecting Trees from Construction Damage: A Homeowner's Guide from the University of Minnesota Extension Service. In addition, you might like to consult Andy and Sally Wasowski's book Building Inside Nature's Envelope: How New Construction and Land Preservation Can Work Together.

You can find a list of Landscape Professionals near your area who could advise you on permeable paving materials in our National Suppliers Directory if that is an option you would like to explore.

Compaction of the soil, damage to limbs and trunk, bark and other parts of the tree will all be eliminated if heavy construction equipment and storage of materials is avoided in the PRZ. Methods of protection this zone are described in the books listed above.

 

More Trees Questions

Black Sap from Live Oak in Austin, Texas
April 20, 2015 - We live in South Austin and our neighbor has several beautiful, enormous Live Oak trees whose canopies hang over into our yard. This past week, they've begun dripping some sort of black sap all over ...
view the full question and answer

What is the best time of year to transplant a young pecan tree?
May 29, 2009 - What is the best time of year to transplant a young pecan tree?
view the full question and answer

Privacy Trees for Pleasanton, CA
April 30, 2014 - I was looking for some fast growing trees for my backyard that backs up to Valley Ave in Pleasanton, Ca. The city just cut down 4 Redwoods behind me and there is so much noise from the traffic now Ca...
view the full question and answer

Plants for shade under pine trees in Grapevine TX
May 16, 2010 - What plants are good to put under pine trees in the shade? I live in the Dallas Fort Worth area? The previous owners stuck a Japanese Maple in there that seems to be ok and some sort of holly bush (n...
view the full question and answer

Non-native Chamaecyparis pisiflora turning brown in Fuqua-Varina NC
December 10, 2012 - I have a "Soft Serve False Cypress" Chamaecyparis pisifera'Dow Whiting PPAF, that has only been in the ground for 6-7 months. I just noticed that the branches and leaves are starting to die, turni...
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 | STAFF
© 2015 Lady Bird Johnson Wildflower Center