Our arborist advice section is the most extensive expert collection of tree, lawn and landscape care tips and educational resources that you will find anywhere.
Follow this summer checklist to keep your trees and landscape healthy by identifying potential issues.
Causes severe damage to forests and landscape pines, discoloring needles and eventually defoliation.
The California oakworm is one species of caterpillar that feeds on oak trees.
A fungus that discolors spruce needles and causes premature drop, especially in overly wet conditions.
Caused by a water mold known as Phytophthora ramorum, Sudden Oak Death can have a fatal effect on numerous types of trees.