Knowledge Base · est. 2025
A reference library for every chilli worth knowing.
From Jalapeño to Carolina Reaper — 136 varieties, heat ratings, grow guides and seed sources. Built by growers, for cooks and collectors who take their heat seriously.
136
Varieties indexed
5
Species covered
40
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
Superhot
C. chinense
Pepper X
2,693,000 SHU (heat figure has a source on record)
Superhot
C. chinense
Dragon's Breath
2,480,000 SHU (heat figure has a source on record)
Superhot
C. chinense
Komodo Dragon
2,200,000 SHU (heat figure has a source on record)
Superhot
C. chinense
Carolina Reaper
2,200,000 SHU (heat figure has a source on record)
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.
Join the waitlist →Sprowt · Now in beta
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.
29AUG
Festival
Benington Lordship Chilli Festival
29–31 August 2026
Benington Lordship Gardens · Benington · Hertfordshire
5SEP
Festival
Waddesdon Chilli Fest
5–6 September 2026
Waddesdon Manor · Aylesbury · Buckinghamshire
13SEP
Festival
Fulham Palace Chilli Fest
13 September 2026
Fulham Palace · Fulham · London
Every domesticated chilli descends from these.
C. chinense
Superhots, Habaneros, Scotch Bonnets
36 varieties
C. annuum
Jalapeño, Cayenne, Bell, Poblano
77 varieties
C. baccatum
Ají Amarillo, Lemon Drop
12 varieties
C. frutescens
Tabasco, Bird's Eye
5 varieties
C. pubescens
Rocoto, Manzano
2 varieties
Plus 4 inter-species hybrids.