Troubleshooting
Masterwort 'Ruby Wedding' problems — and how to fix them
Masterwort 'Ruby Wedding' (Astrantia major) 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
Appears as white coating on leaves in dry conditions; water at the base, improve air circulation, and remove affected foliage.
Leaf scorch
Caused by too much direct sun combined with dry soil; relocate to a shadier spot or increase watering.
Slug and snail damage
Young shoots are vulnerable in spring; use copper barriers, slug pellets, or nematodes.
Self-seeding
Can self-seed prolifically; deadhead spent flowers promptly to limit unwanted spread while allowing a few to seed if spread is desired.
Poor flowering
Usually indicates too much shade or dry soil; relocate or improve irrigation.
Prevent masterwort 'ruby wedding' problems before they start
Most masterwort 'ruby wedding' issues are care-mismatch, not bad luck. Dial in the basics:
Masterwort 'Ruby Wedding' problems — FAQ
Why is my masterwort 'ruby wedding' powdery mildew?
Appears as white coating on leaves in dry conditions; water at the base, improve air circulation, and remove affected foliage.
Why is my masterwort 'ruby wedding' leaf scorch?
Caused by too much direct sun combined with dry soil; relocate to a shadier spot or increase watering.
Why is my masterwort 'ruby wedding' slug and snail damage?
Young shoots are vulnerable in spring; use copper barriers, slug pellets, or nematodes.
Why is my masterwort 'ruby wedding' self-seeding?
Can self-seed prolifically; deadhead spent flowers promptly to limit unwanted spread while allowing a few to seed if spread is desired.
Why is my masterwort 'ruby wedding' poor flowering?
Usually indicates too much shade or dry soil; relocate or improve irrigation.