Troubleshooting
Weigela 'Midnight Wine' problems — and how to fix them
Weigela 'Midnight Wine' (Weigela florida 'Elvera') 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.
Leaf colour fading to green
Insufficient sunlight is the primary cause. Relocate to a position receiving at least 6 hours of direct sun to restore deep burgundy colouration.
Powdery mildew
Small plants in congested spots can be susceptible. Ensure good air circulation and avoid overhead watering.
Poor container performance
Root-bound plants in undersized pots show stunted growth and reduced flowering. Repot every 2 years into a container one size larger.
Aphids
Monitor new shoot tips in spring. Treat with insecticidal soap at first sign of infestation.
Prevent weigela 'midnight wine' problems before they start
Most weigela 'midnight wine' issues are care-mismatch, not bad luck. Dial in the basics:
Weigela 'Midnight Wine' problems — FAQ
Why is my weigela 'midnight wine' leaf colour fading to green?
Insufficient sunlight is the primary cause. Relocate to a position receiving at least 6 hours of direct sun to restore deep burgundy colouration.
Why is my weigela 'midnight wine' powdery mildew?
Small plants in congested spots can be susceptible. Ensure good air circulation and avoid overhead watering.
Why is my weigela 'midnight wine' poor container performance?
Root-bound plants in undersized pots show stunted growth and reduced flowering. Repot every 2 years into a container one size larger.
Why is my weigela 'midnight wine' aphids?
Monitor new shoot tips in spring. Treat with insecticidal soap at first sign of infestation.