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

Some lawn maintenance is recommended now that the leaves have fallen.Experts explained why this is the best time of year to ...

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Q: One of my five oak trees is having this problem and I’m wondering what I should do. I hope it’s not a disease that could ...

What is wrong with my live oak? I hope it’s not a disease, since I have five others in my yard, and I don’t want it to spread ...

Oak wilt is a fungal disease that can weaken white oaks and kill ... and northern pin oak. Trees in the white oak group have ...

A UC Berkeley-led citizen science project has discovered at least four outbreaks of a new, potentially more aggressive form ...

They all had their leaves, unlike the taller broad, leaved trees deeper in the forest. Why? According to the Pennsylvania ...

Additionally, infected oaks can spread the disease to other trees through underground root connections or grafts, creating an ...

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 ...

They all had their leaves, unlike the taller broad, leaved trees deeper in the forest. Why? According to the Pennsylvania State Extension folks, “Beech and oak are deciduous native trees ...