Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University ...

Trees can take decades to reach full maturity (the same can be said for some humans, if we're being honest). While watching a ...

Trees are a beautiful and welcome addition to any garden, but they’re also extremely handy and practical. In fact, fast ...

Climate change may cause fall leaves to change later, putting trees at risk for frost damage. Even if they change on time, ...

In the Arizona high country or along riparian areas, cottonwood, ash, aspen and other deciduous trees grow and, come fall, drop their leaves. This is an essential part of the trees’ life cycles.