This rainforest tree solved one of evolution’s hardest problems. Here’s how it evolved to use tension and geometry to fire ...

“Every wound a tree receives in its lifetime is recorded in the wood,” Alex Shigo said in his “New Tree Biology Dictionary” (Shigo and Trees, Associates, 1986). I would add: Wounds are also recorded ...

Low-cost “tree fitbits” can pinpoint the precise timing of tree activities, like spring bloom or autumn leaf change, according to a new CU Boulder study. Researchers outfitted two East Boulder ash ...

Climate change is causing trees to sprout earlier in spring. Nevertheless, some tree species are growing less. A study by the ...

Scientists have discovered a tropical “dynamite tree” that explosively launches seeds at 150 mph. The mechanism uses physics, ...

When arborists evaluate trees, whether it is a few trees on a home ground or many on a large commercial site, it is critical to note health condition. We commonly score the health factor with a range ...

The Alliance for Cape Fear Trees is a nonprofit organization with a mission to preserve, protect and plant trees to enhance the quality of life and health for present and future generations in the ...

When ash trees started to be removed in St. Paul, Mary Heskel began to wonder. The Macalester College biology professor knew, of course, that the trees — one of the most widely planted in the city — ...

Pruning fruit trees is performed very differently from shade tree pruning because the objectives are different. Fruit tree pruning is performed for the following reasons: Stimulate regular yields of ...

In the Lahontan Valley, one of the most damaging practices conducted by untrained operators is tree topping. It cannot be ...