It was found growing high up in the Rocky Mountains in 1862, then spread quickly, becoming one of the most widely planted landscape trees. Note: Denver sits in the USDA hardiness zones 5b-6a. Photo ...

“Old Glory,” a roughly 400-year-old Valley Oak tree in Stevenson Ranch, became a Los Angeles County Historic Landmark this week. Why it matters: But it wasn’t always a walk in the park to ...

An old oak tree rooted in controversy was assigned a historical landmark on Tuesday following a unanimous vote from the LA County Board of Supervisors. Developers in 2002 were poised to knock down ...

Valley oak trees have lobed leaves and a slender acorn with a scaly cap. The oak loses its foliage in the fall, leaving a beautiful branch structure and rounded canopy.

Even with the abundance of outdoor destinations in Colorado, few places have the abundance of recreational opportunities as ...

the grand oak already stood tall, providing shade for students. But when Hurricane Helene made landfall as a Category 4 storm, the tree collapsed and brought its long life to an unexpected end.

A giant live oak in Audubon Park that split in two last weekend is estimated to have been around 200 years old, but determining its exact age is difficult because of concrete poured into its ...

A wealthy businessman has been lambasted for the felling of six protected 100-year-old oak trees from the front garden of a £770,000 house. Khalil Hussain, a 67-year-old property developer ...

Gambel's quail is a small ground-dwelling bird in the New World quail family. It inhabits the desert regions of Arizona, California, Colorado, New Mexico, Nevada, Utah, Texas, and Sonora; also New ...

It is the larval stage of these insects that induce the plant to produce abnormal growths, known as galls, that enclose the developing larvae. These galls are part of the biodiversity a healthy oak ...

As days fall shorter and the trees’ chlorophyll production dips, the green that shades the leaves fades, revealing a sequential panoply of colors. Colors are expected to hit their peak in ...

Trees on the west side of the San Juan Mountains near Dolores ... Up high, golden willows color the landscape along streams. Gambel oak trades its green leaves and transforms to striking and fiery ...