Troubleshooting
Heuchera 'Plum Pudding' problems — and how to fix them
Heuchera 'Plum Pudding' (Heuchera 'Plum Pudding') 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.
Crown rot
Crown sits proud of the soil to prevent rot; excessive soil coverage causes fungal infections that kill the plant quickly.
Vine weevil
Adults notch leaf margins; larvae consume roots in late summer. Apply nematodes or imidacloprid drench in late August.
Leaf burn
Crispy leaf edges in hot, dry, sunny conditions; provide afternoon shade and mulch.
Root lifting
Frost heaving in winter can expose roots; firm back in and top-dress with compost.
Rust
Orange spots on undersides in wet, warm weather; remove affected leaves and avoid overhead watering.
Prevent heuchera 'plum pudding' problems before they start
Most heuchera 'plum pudding' issues are care-mismatch, not bad luck. Dial in the basics:
Heuchera 'Plum Pudding' problems — FAQ
Why is my heuchera 'plum pudding' crown rot?
Crown sits proud of the soil to prevent rot; excessive soil coverage causes fungal infections that kill the plant quickly.
Why is my heuchera 'plum pudding' vine weevil?
Adults notch leaf margins; larvae consume roots in late summer. Apply nematodes or imidacloprid drench in late August.
Why is my heuchera 'plum pudding' leaf burn?
Crispy leaf edges in hot, dry, sunny conditions; provide afternoon shade and mulch.
Why is my heuchera 'plum pudding' root lifting?
Frost heaving in winter can expose roots; firm back in and top-dress with compost.
Why is my heuchera 'plum pudding' rust?
Orange spots on undersides in wet, warm weather; remove affected leaves and avoid overhead watering.