The University of California Department of Agriculture and Natural Resources (UCANR), has an online plant identification tool ...

Tree of heaven, Ailanthus altissima, is often noticed only after it has begun to dominate a space. In domestic settings, it ...

Angiosperms, also known as flowering plants, represent the most diverse group of seed plants, and their origin and evolution ...

Balanophora is a plant that abandoned photosynthesis long ago and now lives entirely as a parasite on tree roots, hidden in ...

As you are selecting trees to plant next spring, diversify your landscape or woodland by planting multiple species of trees and shrubs.

With a natural range limited to a few stretches of forest in California, the giant sequoia is known for one feature above all ...

Learn how to identify, prevent, and treat powdery mildew with this guide. Discover organic and chemical treatment options, as well as management strategies for long-term control.

Mistletoe infestation was not linked to negative health outcomes for the trees the festive favorite was parasitizing.

Avoid these six invasive trees that harm native ecosystems and create long-term problems in Southern yards. Learn what not to ...

Giant Amazon tree Drypetes oliveri, towering 115 feet, was discovered after 40 years, with only a few surviving in Peru.

Waiting a century for an oak to create shade in your yard is hard. However, the negative aspects of fast-growing trees make ...

This plant, called a fairy lantern, is a parasite that steals all its energy and nutrients from mycorrhizal fungi that dwell ...