More than 500 native plants in San Diego County are held in a Native Seed Bank at the zoo. Those seeds are dried down to a ...

One person identified non-native English ivy, a common invasive species in the United States, on a large oak tree.

October 10, 2016 (Jamul) - On Saturday, October 1, the public gathered under some oak trees near the Lyons Valley Trading Post in Jamul to hear two experts talk about what has been happening with ...

According to the American Academy of Dermatology Association, you should do the following: Immediately wash the part of your skin that touched the plant with one of the following: Rubbing alcohol, ...

The leaves are often fuzzy due to fine hairs and turn red or brown in the fall. Like poison ivy, poison oak produces small, ...

White oak leaves reach five to nine inches long and have six to ten rounded lobes. The underside of each leaf will have white ...

The San Diego Zoo Wildlife Alliance reached a historical milestone after adding an endangered plant species to its Frozen Zoo ...

Q • My oak trees have more large galls than I’ve ever seen on them, and I’m worried about their health. What can I do about ...

Additionally, you should report the OPM caterpillar to the Forestry Commission because they can leave struggling oak trees even more vulnerable to disease.

They feed on leaves, impacting the growth of oak trees and leaving it vulnerable to stresses like drought and disease. The oak processionary moth is not native to the UK.

Consider, too, your hardiness zone and the sunlight exposure of the site. “If you put an oak in the front yard in the mid-Atlantic states, for example, it’s going to support 557 species of ...

For unauthorized removals of post oak or blackjack oak trees, offenders will face a $720 fine per inch or $18 per square foot, replacing the original $600 fine per inch or $15 per square foot.