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

The tree disease that exploded in Bay Area forests three decades ago, stunning residents with vast die-offs in parks and neighborhoods before slowing, has opened a new front with a second, potentially ...

Related: Is this the creepiest fungus in the forest? Yes, definitely.] Laura Baisas: Tell me a bit about Hydnellum peckii.

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

Oak wilt is a fungal disease that can weaken white oaks and kill red oak trees within just a few weeks. The fungus enters the ...

oak wilt kills thousands of trees each year, and the disease is present in about a third of oak habitats in Minnesota. Using new spectral technology, and backed by the Environment and Natural ...

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 ...

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

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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 ...