Troubleshooting
Begonia 'Varsity Red' problems — and how to fix them
Begonia 'Varsity Red' (Begonia semperflorens 'Varsity Red') 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.
Powdery mildew
White dusty coating on foliage in still, humid air. Space plants well, water at the base, and remove infected leaves promptly.
Overwatering rot
Soft, darkened stem bases and wilting despite wet soil signal rot. Let the surface dry between waterings and improve drainage.
Botrytis (grey mould)
Grey fuzzy mould on flowers and stems in cool, wet, crowded conditions. Clear dead material and boost airflow.
Sun scorch
Faded, crisp leaf edges from intense midday sun. Site in afternoon shade in hot climates and harden plants off before full exposure.
Prevent begonia 'varsity red' problems before they start
Most begonia 'varsity red' issues are care-mismatch, not bad luck. Dial in the basics:
- Common bedding begonia problems — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Begonia 'Varsity Red' watering schedule
- Begonia 'Varsity Red' light requirements
- Best soil mix for begonia 'varsity red'
- Begonia 'Varsity Red' temperature & humidity
- Full begonia 'varsity red' care guide
Looking for the species overview? Begonia — the full care guide.
Begonia 'Varsity Red' problems — FAQ
Why is my begonia 'varsity red' powdery mildew?
White dusty coating on foliage in still, humid air. Space plants well, water at the base, and remove infected leaves promptly.
Why is my begonia 'varsity red' overwatering rot?
Soft, darkened stem bases and wilting despite wet soil signal rot. Let the surface dry between waterings and improve drainage.
Why is my begonia 'varsity red' botrytis (grey mould)?
Grey fuzzy mould on flowers and stems in cool, wet, crowded conditions. Clear dead material and boost airflow.
Why is my begonia 'varsity red' sun scorch?
Faded, crisp leaf edges from intense midday sun. Site in afternoon shade in hot climates and harden plants off before full exposure.