Backyard Garden Seeds · Heirloom Collection
Extreme Hot Thai Chilli
Small pod, serious heat
Ships Australia-wide & internationally
Heat check
Small, prolific, properly hot
Hot
Warm
Mild
A staple of Thai and South-East Asian cooking — used sparingly, whole or sliced. Wear gloves when picking and prepping, keep it well away from your eyes, and store it out of reach of children.
50,000–100,000 SHU — typical range for this variety
Australia-wide
When to sow, wherever you are
Cool & Mountain
Tasmania · VIC highlands · Canberra
Temperate
Melbourne · Sydney · Adelaide · Perth
Subtropical
Brisbane · Northern NSW
Tropical
Darwin · Cairns · the Top End
Arid & Semi-arid
Alice Springs · inland WA/SA/NSW
Growing in pots?
Any zone · any balcony
A general guide only — chillies are frost-tender, so your local frost dates have the final say. In subtropical and tropical zones plants often crop for more than one season.
Seed to harvest
What happens next
Sowing
5mm deep in seed-raising mix, keep evenly moist and warm.
Germination · 10–21 days
Hold the soil at 25–30°C. A heat mat makes a big difference in cool weather — Thai chilli can be slower and less even to germinate than milder varieties.
Transplanting
Harden off for a week, then plant out 40–45cm apart in full sun.
Growing on
Compact, bushy and productive — does well in the garden or a decent-sized pot. Water deeply and regularly, feed with a balanced fertiliser, then switch to potassium-rich once flowering starts.
Flowering & fruit set
Pods form in dense clusters along the branches. Watch for aphids, whitefly, mites and fruit fly.
Harvest
Pick green for a sharper, grassier heat, or leave to ripen red for the classic Thai chilli colour and flavour. Save seed from your best pods for next season.
The details
What's in the pack
Enjoy Gardening
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