Troubleshooting
Pelargonium x domesticum 'Carisbrooke' problems — and how to fix them
Pelargonium x domesticum 'Carisbrooke' (Pelargonium x domesticum 'Carisbrooke') 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.
Short flowering season
Regals bloom in one main spring flush; a cool rest at 7-10°C over winter and bright spring light maximise the next display.
Pelargonium rust
Brown pustules on leaf undersides spread in humid, crowded conditions; remove affected leaves and improve ventilation.
Black-leg / stem rot
Blackening at the stem base from overwatering or cold, wet compost; water sparingly and use free-draining mix.
Whitefly and aphids
Common under glass; they weaken growth and excrete sticky honeydew. Treat with insecticidal soap or biological controls.
Prevent pelargonium x domesticum 'carisbrooke' problems before they start
Most pelargonium x domesticum 'carisbrooke' issues are care-mismatch, not bad luck. Dial in the basics:
- What's wrong with my plant? — the diagnosis apps compared
- Pelargonium x domesticum 'Carisbrooke' watering schedule
- Pelargonium x domesticum 'Carisbrooke' light requirements
- Best soil mix for pelargonium x domesticum 'carisbrooke'
- Pelargonium x domesticum 'Carisbrooke' temperature & humidity
- Full pelargonium x domesticum 'carisbrooke' care guide
Looking for pelargonium x domesticum 'carisbrooke' in general rather than its problems? Read the full pelargonium x domesticum 'carisbrooke' care guide — light, water, soil and feeding.
Pelargonium x domesticum 'Carisbrooke' problems — FAQ
Why is my pelargonium x domesticum 'carisbrooke' short flowering season?
Regals bloom in one main spring flush; a cool rest at 7-10°C over winter and bright spring light maximise the next display.
Why is my pelargonium x domesticum 'carisbrooke' pelargonium rust?
Brown pustules on leaf undersides spread in humid, crowded conditions; remove affected leaves and improve ventilation.
Why is my pelargonium x domesticum 'carisbrooke' black-leg / stem rot?
Blackening at the stem base from overwatering or cold, wet compost; water sparingly and use free-draining mix.
Why is my pelargonium x domesticum 'carisbrooke' whitefly and aphids?
Common under glass; they weaken growth and excrete sticky honeydew. Treat with insecticidal soap or biological controls.