Knowledge Base · est. 2025
A reference library for every chilli worth knowing.
From Jalapeño to Carolina Reaper — 102 varieties, heat ratings, grow guides and seed sources. Built by growers, for cooks and collectors who take their heat seriously.
102
Varieties indexed
5
Species covered
36
Countries of origin
2.69M
Max SHU recorded
From garden variety to record-breaker.
0 SHU
Bell
2.5k SHU
Poblano
8k SHU
Jalapeño
50k SHU
Cayenne
350k SHU
Habanero
1M SHU
Ghost
2M+ SHU
Reaper
New ebook
Seed to Spice
Stop wasting money on gear that doesn't work. The S.P.I.C.E. Method gives you a tested system for growing strong chillies from seed — at any budget.
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Track your growing season
Log plantings, track milestones, manage your seed collection. Free to start, premium for serious growers.
Open Sprowt →Upcoming events
View all events →Where the chilli community meets.
18JUL
Festival
Cheese & Chilli Festival - Guildford
18–19 July 2026
Shalford Park · Guildford · Surrey
1AUG
Festival
Great Dorset Chilli Festival
1–2 August 2026
Stock Gaylard Estate · Sturminster Newton · Dorset
29AUG
Festival
Benington Lordship Chilli Festival
29–31 August 2026
Benington Lordship Gardens · Benington · Hertfordshire
Every domesticated chilli descends from these.
C. chinense
Superhots, Habaneros, Scotch Bonnets
23 varieties
C. annuum
Jalapeño, Cayenne, Bell, Poblano
60 varieties
C. baccatum
Ají Amarillo, Lemon Drop
7 varieties
C. frutescens
Tabasco, Bird's Eye
6 varieties
C. pubescens
Rocoto, Manzano
2 varieties
Plus 4 inter-species hybrids.