An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...

Is there an effective treatment for crape myrtle bark scale? It’s not as bad as it was a few years ago, but I’d like to eliminate it.

Fewer than two percent of North America’s bark beetle species attack trees, but those that do have killed billions of ...

Mandatory evacuations have been ordered. The fire is burning along Old Highway 395 and North Lilac Rd. View evacuation areas at the Genaysis mapping site. An evacuation center is at the Castle ...

Humans have utilized plants in medicine for thousands of years. As a matter of fact, the Sumerians were the first to record ...

Keystone plants and trees like the Coast Live Oak and California lilac are key players in the health of your garden.

Honey fungus is the most serious fungal disease affecting garden trees and shrubs in this country. With young trees and shrubs, death can be very sudden, while older trees may take many years to die.

Wood density of individual trees was measured from wood cores collected from shallow xylem (~1 cm from inner bark) near DBH level. Cores were immediately wrapped in parafilm and aluminium foil and ...

Thought you were all done with gardening chores for the winter? Not so fast. Now is the perfect time to prune your trees and shrubs.

As a guideline, look for a bark ridge (can have ... encourage disease issues and can slow healing. If you prune well and have a healthy tree, your cuts will heal.