Non-Chemical Management
- Pick and destroy thickened, fleshy leaves and flowers before the white fungal spores are present.
- Remove all old galls from plants prior to bloom and flushes of new growth.
- Space plants and prune to reduce humidity.
- Avoid overhead watering or limit it to times when the foliage can dry quickly.
- The variety 'Massachusetts' is reported to be resistant to leaf gall.
Select non-chemical management options as your first choice!
