What months should you avoid cutting oak trees due to oak wilt?
Homeowners can reduce the risk of oak wilt infections by not pruning or otherwise injuring oaks after April 15. While high risk of infection decreases to lower risk after mid-July, its prudent to simply avoid pruning oak trees from just prior to bud break to leaf drop. This means April to November.
How to identify oak wilt in Texas?
Oak wilt is generally identified in Live oaks by patterns of tree mortality, and the presence of foliar symptoms (veinal necrosis). Foliar symptoms in Red oaks are less distinct, and oak wilt is generally identified by the flashing of autumn colors during summer months and/or the presence of fungal mats.
Is it bad to trim oaks in summer?
Contrary to what many homeowners assume, summer is the worst time of year to cut off oak branches. Instead, its best to prune from late fall to early springNovember 1 to March 31, to be precise. These are the months when oak trees are less vulnerable to disease and infestations.
How do you manage oak wilt?
Controlling oak wilt Stop the underground movement of the disease by severing or killing roots grafted together creating what is called a treatment boundary. (Optional but recommended) Remove the healthy-looking oaks within the treatment boundary, since they will likely die from oak wilt in the next few years.
How long will an oak tree live with oak wilt?
The disease is a particularly serious problem for species in the red oak group such as northern red, northern pin and black oaks. Once wilting symptoms are apparent on a red oak, the infected tree will lose most of its leaves and die within approximately one month.
Many years of field application have proven that Alamo when applied via Macro Flare Root Injection is very effective against Oak Wilt. In fact, if the procedure is performed correctly on appropriate candidates and repeated as necessary, survival rates are 85% or better.
When should you not trim oaks in Texas?
Never prune February through June! This is the highest risk season for new oak wilt infections. Certain exceptions may be made for public safety or property damage issues.
When to cut down oak wilt trees in Texas?
Infected red oaks that die in late summer, fall or early winter should be cut down and burned, buried, or chipped soon after discovery to prevent fungal mats that may form on these trees the following spring.
Related links
Why You Should Care About Oak Wilt by Linda Drga
Nov 8, 2021 Oak Wilt is a devastating disease that can wipe Red and Live Oak trees. Learn more about the disease and how to prevent the spread.
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