Larger leaves favor photosynthetic production of a sugar-rich fluid to nourish the tree, but if the tree is too tall, the nutrient flow is slowed. Why are the leaves on the tallest trees all about the ...

Getting your Trinity Audio player ready... You don’t need an orchard or even a large chunk of space to grow your own apples — just plant a dwarf tree. Taking up less space is not the only advantage of ...

Arborists in Sioux Falls are swamped with phone calls ever since emerald ash borer was detected in the northern part of the city. You can treat ash trees yourself with an over the counter product, but ...

Blowing in the wind: a broken tree trunk. (Courtesy: Alexandre Ponomarenko) During storms, there is a critical wind speed, of around 42 m/s (90 mph), at which almost all tree trunks break – ...

The strangest response I’ve had from a reader occurred years ago when a gardener scolded me for describing a plant — I don’t recall what it was — as a shrub. He was upset because his specimen had ...