Troubleshooting
Zantedeschia jucunda problems — and how to fix them
Zantedeschia jucunda (Zantedeschia jucunda) 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.
Tuber rot
Wet, cold soil in dormancy rots the tuber; keep it dry while resting and use free-draining mix in the growing season.
Shy flowering
Low light or an immature tuber limits blooms; give brighter light and allow the tuber to bulk up over a few seasons.
Late-summer dieback
Natural dormancy rather than a fault; reduce watering and let the leaves yellow and die back.
Aphids and spider mites
Sap-feeders cluster on new growth and undersides of leaves in warm, dry weather; treat early with insecticidal soap and improve airflow.
Prevent zantedeschia jucunda problems before they start
Most zantedeschia jucunda issues are care-mismatch, not bad luck. Dial in the basics:
Looking for zantedeschia jucunda in general rather than its problems? Read the full zantedeschia jucunda care guide — light, water, soil and feeding.
Zantedeschia jucunda problems — FAQ
Why is my zantedeschia jucunda tuber rot?
Wet, cold soil in dormancy rots the tuber; keep it dry while resting and use free-draining mix in the growing season.
Why is my zantedeschia jucunda shy flowering?
Low light or an immature tuber limits blooms; give brighter light and allow the tuber to bulk up over a few seasons.
Why is my zantedeschia jucunda late-summer dieback?
Natural dormancy rather than a fault; reduce watering and let the leaves yellow and die back.
Why is my zantedeschia jucunda aphids and spider mites?
Sap-feeders cluster on new growth and undersides of leaves in warm, dry weather; treat early with insecticidal soap and improve airflow.