Conifers—thanks to their striking silhouettes, noteworthy growth habits, remarkable evergreen textures and variety of hues—are “gotta-have-it” landscape additions for today’s gardeners. Thankfully ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The disease attacks both hardwoods and softwoods and can kill shrubs, vines, ...

Researchers created maps showing where warmer weather has left trees in conditions that don't suit them, making them more prone to being replaced by other species. The findings could help inform ...

Defensive substances: Conifers use resin to protect themselves against pests. This resin contains diterpenes, which are defensive substances. Different age: Some of these diterpenes originated over ...

We buy live Christmas trees with the best of intentions, excited about the possibilities of decorating our living rooms for the holidays and our gardens for evermore. Sometimes, that's just the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO – The USDA Natural Resources ...

Martha Case gestures at a group of trees, pointing out examples of the homely, the exotic and the oddly rare. “There is an Alaskan cedar that’s weeping right there. There is a ginkgo. We have a ...