ForesTree - A Guide to Tree Health

Pest and Disease Information

California Sycamore
  • Platanus racemosa - Resistant to Verticillium. Susceptible to Leaf Miner, Scales and Spider Mites, Anthracnose, Oak Root Rot, Phytophthora, Mistletoe, Apignomonia venata and Root Rot. Additional and expanded information listed below.

  • For further tree information:
       SelecTree (1107) | Silvics of North America
3 Records Found
Disease or Pest NameDescription of Disease or Pest

Apiognomonia veneta

Apiognomonia_venetaAnthracnose affects many hosts, but it is most common on California Sycamore. On California Sycamore kills shoots and causes leaf tissue to die beginning along the veins. Prolonged spring rains and fog m...

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...

True Mistletoe
Phoradendron tomentosum

phoradendron_spTrue mistletoe is an evergreen parasitic plant with developed stems and leaves. The infection causes swollen branches and brooming. Most infections start in the upper crown of the tree, since the plant i...