Sierra Nevada Foothills

Canker rot, Robert Anderson, Bugwood.org
Western gall rust. Joseph OBrien, USDA Forest Service, Bugw
Dwarf mistletoe. William M. Ciesla, Fore

These foothills make up a narrow strip between the high Sierra Nevada on the east and the Central Valley on the west. They feature blue oak-gray pine woodlands; ponderosa pine forests appear at the transition between the foothills and the high Sierra Nevada.

Typical insect and disease problems
• Canker rots in blue oak
• True mistletoes in valley oak and other riparian hardwoods
• Western gall rust