MediumC. annuumUnited States

Fresno

Fresno Chile · Fresno Chili Pepper · Fresno Pepper

10,000Scoville Heat Units

Heat context

Carolina Reaper
Ghost Pepper
Habanero
Fresno
Botanical data
Heat (SHU)10,000
SpeciesC. annuum
OriginUnited States
Days to mature70
Plant height60–90 cm
Wall thicknessThin
Ripe colourred
YieldHeavy
Growth habitBush
Germination7-14
FoliageGreen
Unripe colourbright green

About this variety

The Fresno chile was developed in 1952 by Clarence Brown Hamlin in Fresno, California. Often confused with red jalapeños, Fresnos have thinner walls and a slightly fruitier flavor, maturing from bright green to orange and finally red. This versatile medium-heat pepper has become a staple in California cuisine and is particularly valued for salsas and hot sauces.

History & lineage

The Fresno is one of the few well-documented modern American chilli cultivars with a clear creation date and breeder. It was developed in 1952 by Clarence Brown Hamlin, a pepper breeder working in Fresno, California - the city after which the variety is named. Hamlin was looking for a pepper similar in profile to the jalapeño but with thinner walls, brighter colour, and better suitability to California's growing conditions. The variety found its commercial niche in the explosion of California-style cuisine in the 1980s and 1990s. Where the jalapeño dominated Tex-Mex, the Fresno became associated with fresher, lighter California cooking - showing up in salsas at upscale restaurants, in artisan hot sauces, and as the preferred fresh chilli in California-Mexican fusion. Its bright red ripening colour photographs better than jalapeño's green-to-red transition, which contributed to its popularity in cookbooks and food media. The Fresno is frequently confused with red-ripe jalapeños in supermarkets, and the two are often used interchangeably in recipes. Botanically they're distinct - the Fresno has thinner walls, slightly more heat than a typical jalapeño, and a fruitier, less grassy flavour. Hot sauce makers tend to prefer Fresnos specifically for their balance of heat, brightness, and clean fruit notes. Though relatively young as a chilli variety, the Fresno has earned a place as a modern American classic - and one of the few chilli cultivars where the breeder's name and creation date are publicly recorded.

Flavour profile

fruityslightly smokycrispbright
Culinary scores
Sauce
8/10
Drying
4/10
Pickling
9/10

Culinary uses

Excellent for fresh salsas, ceviche, hot sauces, and pickling. Often used as a substitute for jalapeños or serranos in recipes. Popular in rice dishes, soups, and as a fresh garnish. Red-ripe Fresnos are particularly prized for their sweetness and color in sauces.

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Quick reference

Heat10,000 SHU
SpeciesC. annuum
OriginUnited States
Days to ripe70
Ripe colourred
Best forSauce, Pickling, Excellent for fresh salsas
Data confidence: 4/5. Sourced from community submissions and verified references. Suggest a correction