A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer.

From now through the end of December is the time of year to inspect your trees for Sudden Oak Death. The mold pathogen that causes Sudden Oak Death, phytophthora ramorum, is most active during wet ...

Oak trees are susceptible to various diseases that can compromise their health. If you notice changes in the green foliage on ...

in partnership with the Missouri Department of Conservation (MDC), is offering free testing for all common oak tree diseases. Oaks are the most abundant trees in yards and forests across Missouri.