Euonymus: Bacterial blight Categories: Euonymus Euonymus Diseases Ornamentals Shrubs Last review date: 2026-08-28 02:29 Last edit date: Biology bacterial blight causes shoots to blacken and die back. Leaf spotting caused by the blight is infrequent on euonymus, but common on other plant species. Infection is favored by moist weather. Wounds are frequent infection sites, especially […]
Euonymus: Crown gall Categories: Euonymus Euonymus Diseases Ornamentals Shrubs Last review date: 2026-05-05 08:52 Last edit date: Crown gall on euonymus Photo by: C.R. Foss Biology Crown gall is caused by a soilborne bacterium. The bacteria infect through wounds on the stems, crown, and roots. Young galls are fleshy, white to greenish, and look like […]
Euonymus: Powdery mildew Categories: Euonymus Euonymus Diseases Ornamentals Shrubs Last review date: 2026-05-05 11:26 Last edit date: Powdery mildew on euonymus Photo by: J.W. Pscheidt Biology Powdery mildew is a fungal disease of the leaves of Euonymus japonica (evergreen euonymus). Characteristic patches of gray-white, powdery fungus are found in thick mats on the upper and […]