Troubleshooting
Geranium sylvaticum 'Mayflower' problems — and how to fix them
Geranium sylvaticum 'Mayflower' (Geranium sylvaticum 'Mayflower') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Powdery mildew
Greyish-white film on foliage in dry late-summer conditions. Shear affected leaves back hard and keep soil moist to trigger clean regrowth.
Faded flower colour
Violet-blue blooms wash out pale in hot, dry sun. Site in part shade with moist soil to keep the colour rich and the display longer.
Post-bloom flop
Clump sprawls and tires after the early-summer flush. Cut back by half to two-thirds to regenerate a fresh, compact mound of leaves.
Vine weevil in pots
Notched leaves and wilting from root-eating grubs in containers. Use nematode treatments or grow in open ground where attacks are uncommon.
Prevent geranium sylvaticum 'mayflower' problems before they start
Most geranium sylvaticum 'mayflower' issues are care-mismatch, not bad luck. Dial in the basics:
- Common geranium sylvaticum problems — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Geranium sylvaticum 'Mayflower' watering schedule
- Geranium sylvaticum 'Mayflower' light requirements
- Best soil mix for geranium sylvaticum 'mayflower'
- Geranium sylvaticum 'Mayflower' temperature & humidity
- Full geranium sylvaticum 'mayflower' care guide
Looking for the species overview? Geranium sylvaticum — the full care guide.
Geranium sylvaticum 'Mayflower' problems — FAQ
Why is my geranium sylvaticum 'mayflower' powdery mildew?
Greyish-white film on foliage in dry late-summer conditions. Shear affected leaves back hard and keep soil moist to trigger clean regrowth.
Why is my geranium sylvaticum 'mayflower' faded flower colour?
Violet-blue blooms wash out pale in hot, dry sun. Site in part shade with moist soil to keep the colour rich and the display longer.
Why is my geranium sylvaticum 'mayflower' post-bloom flop?
Clump sprawls and tires after the early-summer flush. Cut back by half to two-thirds to regenerate a fresh, compact mound of leaves.
Why is my geranium sylvaticum 'mayflower' vine weevil in pots?
Notched leaves and wilting from root-eating grubs in containers. Use nematode treatments or grow in open ground where attacks are uncommon.