Identifying a dominant leader and cutting away any competing leaders when a tree is young will allow it to grow more robustly ...

A new register seeks to identify "champion trees" in the United States, recognized for their enormous size and big leafy ...

The Malus coronaria learned to fight frost by blooming two or three weeks later than the trees that produce cultivated ...

For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were an early lichen or fungus, like a “giant mushroom” ...

Trees need a certain number of warm days in their growing seasons to grow properly; otherwise, the cell walls of new growth ...