The Pepper Encyclopedia
Scoville ratings, flavor profiles, growing guides, and side-by-side comparisons — sourced from USDA data and real growing experience.
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What you'll find here
Five ways into the database — pick the question you came with.
Explore by heat
The Scoville Heat Scale
From sweet bell peppers to world-record reapers — find your heat level.
The collection
Featured Peppers
From our database — the most searched and referenced varieties.
FeaturedPepper X
2.7M - 2.7M SHU
At 2,693,000 SHU, Pepper X is the Guinness World Records holder for the world's hottest chilli pepper. Guinness reported the average from Winthrop University testing of specimens…
FeaturedDragon's Breath
2.5M - 2.5M SHU
Dragon's Breath emerged from an unlikely collaboration between a Welsh farmer, Mike…
FeaturedCarolina Reaper
1.4M - 2.2M SHU
The Carolina Reaper is a super-hot Capsicum chinense pepper bred by Ed Currie of…
FeaturedTrinidad Moruga Scorpion
1.2M - 2M SHU
Few peppers command the same respect as the Trinidad Moruga Scorpion. Its super-hot…
FeaturedChocolate Bhutlah
1M - 2M SHU
Before the numbers even come up, the Chocolate Bhutlah announces itself through smell - a…
Head to head
Popular Comparisons
Habanero×Jalapeno: Roughly 40x the Heat
The real split is not only heat. Habanero brings 100,000-350,000 SHU plus fruit and citrus. Jalapeno stays at…
Habanero×Serrano: Salsa Heat or Fresh Crunch
Habanero is the fruit-forward extra-hot choice for mango salsa, Yucatan-style sauces, and small-dose hot…
Carolina Reaper×Habanero: A 10x Heat Leap
The Carolina Reaper and habanero share the same species and a fruity flavor base, but they sit in completely…
Cayenne×Habanero: Powder Dose or Fruit Heat?
Cayenne is the better tool when you need dry, even, neutral heat in rubs, soups, chili, and pantry seasoning…
Interactive
Pepper Tools
Free calculators and reference tools — for growers, cooks, and hot sauce makers.
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Pepper Guides
Everything we've learned from growing, cooking, and eating peppers.
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Essential guide
Scoville Scale Explained: How We Measure Pepper Heat
The Scoville scale measures capsaicinoid concentration as Scoville Heat Units, or SHU. Modern labs use HPLC rather than taste panels, so use the numbers as a heat range guide, not a promise of how every pepper or hot sauce will feel.
Best Peppers for Chili: 12 Fresh & Dried Options
The best peppers for chili usually combine dried depth with controlled heat. Use ancho for sweet body, guajillo for bright red fruit, pasilla or mulato for darker notes, chipotle for smoke, and cayenne or chile de arbol when the pot needs a sharper burn.
Best Soil for Growing Peppers
Pepper soil needs drainage first, then steady nutrition and a slightly acidic pH around 6.0-6.8. Use lighter mixes for containers, compost-rich but not soggy raised beds, and avoid heavy clay that holds water around roots.
Dried Mexican Chiles Guide
Dried Mexican chiles are easiest to understand by fresh name, dried name, flavor, and heat. Ancho brings sweet raisin body, guajillo adds bright red fruit, pasilla is darker and earthy, while morita, cascabel, mulato, and arbol fill different sauce jobs.
Easiest Peppers to Grow for Beginners
The easiest peppers for beginners tolerate temperature swings, common watering mistakes, and ordinary garden soil better than fussy varieties. Start with reliable producers that mature quickly and keep setting fruit.
Fresh vs Dried Peppers: How Flavor and Heat Change
Drying peppers removes water and concentrates sugars, acids, capsaicin, and deeper roasted flavors. The guide explains name changes, heat perception, substitution ratios, and when fresh or dried peppers fit a dish better.
Hottest Peppers in the World (2026 Ranking)
The hottest-pepper ranking should be read as a lab-tested SHU comparison, not a cooking recommendation. Superhots such as Pepper X, Carolina Reaper, and Ghost Pepper sit far beyond ordinary kitchen heat, so handling, dosage, and source verification matter as much as the number.
About us
We grow these peppers.
Then we write about them.
Our SHU ranges come from USDA and peer-reviewed research, not seed-catalog marketing. Our growing guides come from what actually worked in the garden. If we list a substitution ratio, it's because we tested it in a real recipe.
Our methods & sources →SHU data cited
Every heat range links to a published study or government database.
200+ varieties grown
We've planted, harvested, and tasted these peppers ourselves.
Recipes actually tested
Substitution ratios and cooking tips come from our own kitchen.
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