How hot is the Serrano NuMex CaJohn's?

The Serrano NuMex CaJohn's measures 10,000–25,000 Scoville Heat Units (SHU), making it a hot pepper — roughly 3 times hotter than a jalapeño (which tops out around 8,000 SHU).

Serrano NuMex CaJohn's

Entry Completeness80%

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Further InformationEdit

Jumbo form.

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NameSerrano NuMex CaJohn's

Alternative Name(s)Serrano NuMex CaJohn's Jumbo; Chile Serrano NuMex CaJohn's Jumbo

Universal Pepper Number (UPN)Not issued yetNeeds mature color first.How UPN works

SpeciesC. annuum

Scoville Heat Units (SHUs)10,000 - 25,000

Heat LevelHot (15,001–100,000 SHU)

Mature Pod Color (Primary)Not set

Pod FormLong/tapered

RegionUSA

Discoverer/BreederNMSU Chile Pepper Institute

Immature Color(s)Not set

Further InformationEdit

Jumbo form.

LinksEdit

Last updated Oct 5, 2026

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