Chilli plant problems usually come down to water, temperature or feeding. If your plants look unhappy, don’t panic – most issues are easy to fix once you know what’s causing them.
Leaves curling
Cause: heat stress or inconsistent watering
Fix:
- Water deeply, less often
- Move pots out of intense midday sun
- Mulch soil surface
Yellow leaves
Cause: overwatering or nutrient deficiency
Fix:
- Check drainage holes
- Let compost dry slightly between watering
- Add worm compost or liquid feed
Flowers dropping
Cause: temperature swings or low humidity
Fix:
- Keep plants sheltered
- Water consistently
- Lightly mist in hot weather
No fruit forming
Cause: too much nitrogen or lack of pollination
Fix:
- Switch to tomato feed
- Gently shake plants daily
Small or misshapen peppers
Cause: uneven watering or poor feeding
Fix:
- Keep watering consistent
- Feed weekly during fruiting
Pests to watch for
- Aphids
- Spider mites
- Whitefly
Control:
- Wash off with water
- Use insecticidal soap
- Encourage ladybirds
Helpful external resources
Related guides
Final thoughts
Most chilli plant problems are caused by stress. Keep conditions steady and your plants will bounce back quickly.
