Cedar

Cedar: Cedar flagging

Cedar: Cedar flagging categories: Cedar Conifers Ornamentals revision date: 2023-02-08 12:00 Cedar flaggingPhoto by: R.S. Byther Biology Evergreen plants naturally shed some old foliage each year. Stress factors, such as lack of sufficient water, hot winds, construction damage or other root disturbance, poor planting procedures, or recent planting can promote flagging. Brown foliage develops on […]

Cedar: Leaf blight

Cedar: Leaf blight categories: Cedar Conifers Ornamentals revision date: 2023-02-08 12:00 Arborvitae Didymascella leaf blightPhoto by: R.S. Byther Biology Leaf blight is a fungal disease. The symptoms typically appear first in late spring as bleached spots followed by brown or black cushion-like fungal fruiting bodies. Infected foliage may be anywhere on the plant. Individual leaves […]

Cedar: Port Orford cedar root rot

Cedar: Port Orford cedar root rot categories: Cedar Conifers Ornamentals revision date: 2023-02-08 12:00 Phytophthora root rot infecting trunkPhoto by: R.S. Byther Biology Phytophthora root rot on Port Orford cedar is usually a problem only in areas with poor drainage or where flooding occurs. The fungus attacks the roots, which rot and die. The infection […]

Cedar: Seiridium canker

Cedar: Seiridium canker categories: Cedar Conifers Ornamentals revision date: 2023-02-08 12:00 Seiridium cankerPhoto by: M. Harris Biology Seiridium cardinale and Phaeobotryon cupressi are fungal pathogens which cause yellowing or browning of the foliage. The result is flagging, the dieback of branch tips and entire branches of trees in a random distribution throughout the canopy. Cankers […]