Spurred on by two rainy years, the spread of sudden oak death in Marin and 18 California counties is back on the rise — this time with an aggressive new strain invading the Bay Area. Until recently, ...

Roots are also responsible for holding trees upright. During a hurricane the only thing that keeps large trees from falling ...

Researchers said nearly 32% of the trees in a recent survey were infected, compared to 4% last year and 5.2% the year before.

Oak wilt is a fatal and fast spreading fungal disease that affects all types of oak trees around the world, with over 600 ...

Oak Trees Oak trees are a keystone species across the country, collectively supporting nearly 500 species of caterpillars.

Fall officially started Sept. 22. Fall leaf tours in the New England are wildly popular. In the northern part of the country, ...

I urge you to go find a big oak tree near your home, be grateful it is alive, and imagine what stories it could tell.

Readers of this column aren't surprised to see me writing about trees, since I often praise their planting and fuss at those who would indiscriminately cut them down. But this time I am going to stop ...

About 40 volunteers -- some of them high school students in search of service hours -- began planting trees at Burns Park in ...

At any rate, a reblooming-type iris flowering in November is remarkable. Most years, irises attempting to flower this late ...

There are several lovely options, including bleeding heart, astilbe, many varieties of ferns, foamflower, coral bells, ...

DEAR NEIL: 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. What should I do?