Sierra Nevada Foothills

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

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