Troubleshooting
African violet streptocarpus problems — and how to fix them
African violet streptocarpus (Streptocarpus ionanthus) 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
Caused by overwatering or water sitting in the crown. Allow the top inch of soil to dry between waterings, always water from below or at the base, and ensure excellent drainage.
Powdery mildew
White powdery coating on leaves, especially in low air circulation. Improve ventilation, avoid misting foliage, and treat with a diluted fungicide or neem oil spray if severe.
Failure to flower
Most commonly caused by insufficient light. Move to a brighter location (but not direct sun) or supplement with a grow light. Also check that the plant is not root-bound and is receiving regular fertiliser.
Prevent african violet streptocarpus problems before they start
Most african violet streptocarpus issues are care-mismatch, not bad luck. Dial in the basics:
African violet streptocarpus problems — FAQ
Why is my african violet streptocarpus crown rot?
Caused by overwatering or water sitting in the crown. Allow the top inch of soil to dry between waterings, always water from below or at the base, and ensure excellent drainage.
Why is my african violet streptocarpus powdery mildew?
White powdery coating on leaves, especially in low air circulation. Improve ventilation, avoid misting foliage, and treat with a diluted fungicide or neem oil spray if severe.
Why is my african violet streptocarpus failure to flower?
Most commonly caused by insufficient light. Move to a brighter location (but not direct sun) or supplement with a grow light. Also check that the plant is not root-bound and is receiving regular fertiliser.