ForesTree - A Guide to Tree Health

Pest and Disease Information

California Buckeye
  • Aesculus californica - Susceptible to Thrip, Phytophthora ramorum Sudden Oak Death and Powdery Mildew. Additional and expanded information listed below.

  • For further tree information:
       SelecTree (132) | Silvics of North America
3 Records Found
Disease or Pest NameDescription of Disease or Pest

Powdery Mildew
Microsphaera alni

Powdery mildew may occur on any green plant tissue or on flowers and fruits. Light colored mats of fungal growth often appear on infected leaves. Infected leaves may drop prematurely and leaves and shoot...

Sudden Oak Death
Phytophthora ramorum

AerialPhytophthora ramorum causes two types of symptoms on affected plants. In some it causes bleeding cankers on the mainstem with red-brown exudate. Zone lines are present around diseased tissue when bark is ...

Fruittree leafroller
Archips argyrospila

moth"Fruittree leafroller can be a serious pest throughout California. It occurs on a very large number of ornamental trees and is particularly damaging to deciduous and live oaks. Even if completely defoliate...