Troubleshooting
Chinese Peony 'Sarah Bernhardt' problems — and how to fix them
Chinese Peony 'Sarah Bernhardt' (Paeonia lactiflora) 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.
Botrytis (grey mould)
Causes blackened stems and buds in cool, wet conditions. Improve air circulation and remove affected tissue promptly.
Failure to flower
Usually caused by planting the crown too deeply, insufficient light, or division stress. Ensure eyes are ≤5 cm below the soil surface.
Ants on buds
Ants feed on nectar from the buds but do not harm the plant; no treatment needed.
Peony wilt (Botrytis paeoniae)
Shoots collapse and turn brown at the base. Cut out infected growth to healthy tissue and dispose of debris.
Leaf spot
Reddish-purple spots on foliage caused by fungal pathogens. Rake up and dispose of fallen leaves in autumn.
Prevent chinese peony 'sarah bernhardt' problems before they start
Most chinese peony 'sarah bernhardt' issues are care-mismatch, not bad luck. Dial in the basics:
Chinese Peony 'Sarah Bernhardt' problems — FAQ
Why is my chinese peony 'sarah bernhardt' botrytis (grey mould)?
Causes blackened stems and buds in cool, wet conditions. Improve air circulation and remove affected tissue promptly.
Why is my chinese peony 'sarah bernhardt' failure to flower?
Usually caused by planting the crown too deeply, insufficient light, or division stress. Ensure eyes are ≤5 cm below the soil surface.
Why is my chinese peony 'sarah bernhardt' ants on buds?
Ants feed on nectar from the buds but do not harm the plant; no treatment needed.
Why is my chinese peony 'sarah bernhardt' peony wilt (botrytis paeoniae)?
Shoots collapse and turn brown at the base. Cut out infected growth to healthy tissue and dispose of debris.
Why is my chinese peony 'sarah bernhardt' leaf spot?
Reddish-purple spots on foliage caused by fungal pathogens. Rake up and dispose of fallen leaves in autumn.