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When to plant
chillies in the UK
Need heat to germinate — use a propagator or the warmest windowsill you've got. The more sun they get, the hotter the fruit.
Growing journey
16 weeks from planting out to harvest · Start indoors 13 weeks before planting out
Get chillies seeds
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What chillies need
Full sun. Warmth. Sheltered or under cover. Perfect for a sunny patio in pots.
Spacing
40cm between plants
These are larger plants — give them plenty of space for air circulation.
Varieties to try
When to sow chillies
Based on UK average frost date. Enter your postcode for exact dates, or find your city.
Get reminders about chillies
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Where to buy chillies seeds
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What you'll need for chillies
The stuff beginners wish they'd bought sooner.
These crops need 24-30°C to germinate — a cold windowsill won't cut it. The difference between success and failure in the UK.
More in our equipment guide →High-potash liquid feed. Once the first fruits form, feed weekly — it makes a real difference to yield.
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Get your exact dates
Enter your postcode for personalised planting dates for chillies.