Orford-cedar (Chamaecyparis lawsoniana)

This condition affects Port Orford cedar and related Chamaecyparis species in the region. Monitor trees for signs of decline or disease. Carefully examine plants before adding them to your landscape. Avoid moving soil or plant material from infected areas to prevent spread of disease pathogens. Keep plants healthy and maintain good drainage to minimize stress. Monitor your plants closely and implement integrated management strategies. Prompt removal of infected material helps limit disease spread.

Good sanitation is your most effective tool against orford-cedar (chamaecyparis lawsoniana). Remove and dispose of infected plant material, clean up fallen debris, and sterilize your pruning tools between plants. Reduce leaf wetness by watering at soil level and spacing plants for adequate air movement. These practices reduce the pathogen load in your garden over successive seasons.