Phomopsis Blight on Junipers
Yellow, dull red and brown branch tips on junipers is the first indication the plant may be suffering from phomopsis tip blight.
Take a closer look for small gray lesions on the discolored foliage. These eventually expand and kill the branch tips.
Manage this disease with proper pruning. Wait for dry weather then remove infected branches. Make your cuts at least 4 to 6 inches below the diseased areas. Disinfect your pruning tools between each cut by dipping them in a 10% bleach solution or alcohol for at least 30 seconds. A spray disinfectant with at least 70% alcohol can also be used.
Reduce the risk of future problems by maintaining adequate space between plants to maximize sunlight and airflow through the shrubs. Avoid overhead watering if possible and if not sprinkle early in the day so the foliage can dry quickly.
A bit more information: Avoid excessive pruning. Severely reducing the plant’s size stimulates lush succulent growth that is more susceptible to this and other diseases.
Related
Categories
Upcoming Webinars & Appearances
Feb. 4, 2023
WCBA's Home Building &
Remodeling EXPO
West Bend, Wisconsin
Feb. 8, 2023
WEBINAR:
Indoor Container Garden Design & Display Ideas
Register now
Feb. 10-12, 2023
PBS Wisconsin
Garden & Landscape EXPO
Madison, Wisconsin
Feb. 15, 2023
WEBINAR:
10 Tips for Growing Better Dahlias!
Register now
Feb. 17-19, 2023
NARI Milwaukee Spring Home Improvement Show
West Allis, Wisconsin
Feb. 22, 2023
WEBINAR:
Grow Beautiful Water Gardens
Register now
Watch Melinda's past webinars ON DEMAND
Learn More