VarietiesC. annuumMediumNew Mexico No. 9
MediumC. annuumUnited States

New Mexico No. 9

NuMex No. 9 · Number 9 pepper · No. 9

2,500Scoville Heat Units

Heat context

Carolina Reaper
Ghost Pepper
Habanero
New Mexico N…
Botanical data
Heat (SHU)2,500
SpeciesC. annuum
OriginUnited States
Days to mature75
Plant height45–75 cm
Wall thicknessMedium
Ripe colourred
YieldModerate
Growth habitBush
Germination7-14
FoliageGreen
Unripe colourgreen

About this variety

New Mexico No. 9 is a historic heirloom chile released in 1913 by Dr. Fabián García, marking the first commercially bred New Mexican chile cultivar. Selected from local landrace varieties beginning in 1894, this variety helped establish chile as a cornerstone of New Mexican cuisine. Today it is primarily grown in limited quantities as a heritage variety in New Mexico, valued for its role in the state's agricultural and culinary history.

History & lineage

New Mexico No. 9 holds a foundational place in modern chilli history - the first formally bred chilli cultivar released for commercial cultivation, and the variety that effectively launched the modern New Mexico chile industry. The cultivar was developed by Dr. Fabián García at New Mexico State University, who began selective breeding work in 1894 and released the finalised cultivar in 1913 after almost two decades of selection from local landrace stock. García's work was groundbreaking on multiple fronts. Before No. 9, chilli cultivation everywhere relied on landrace varieties shaped by centuries of regional household selection - reliable but inconsistent, with significant pod-to-pod variation in size, heat, ripening time, and other characteristics. García applied formal scientific breeding methods to chilli for the first time, producing a cultivar with deliberately stabilised characteristics suited to commercial production. The methodology he developed became the foundation for all subsequent formal chilli breeding programmes. The specific characteristics of No. 9 reflected the commercial goals: relatively mild heat (500-2,500 SHU) accessible to broad American consumers, uniform large pod size suitable for canning and processing, consistent ripening for predictable commercial harvest, and reliable production across varied southwestern growing conditions. These traits laid the foundation for the modern New Mexico chile industry - the canning industry, the dried chile production, the green-chile-and-red-chile traditions that define New Mexican cuisine, all trace commercial origins back to this single cultivar. Today, No. 9 is grown primarily as a heritage variety rather than for commercial production. Modern New Mexico chile cultivars - many also from NMSU - have superseded No. 9 in commercial fields, with later releases offering better disease resistance, higher yields, and more consistent processing characteristics. But No. 9 remains symbolically important as the foundational variety, and the NMSU Chile Pepper Institute maintains the cultivar in active production for educational and historical purposes. The variety's 1913 release date is now over a century in the past, making New Mexico No. 9 one of the longest-cultivated formally-bred chilli cultivars in the world.

Flavour profile

earthymild heatslightly sweetvegetal
Culinary scores
Sauce
9/10
Drying
9/10
Pickling
5/10

Culinary uses

Traditional New Mexican cuisine including red and green chile sauces, chile colorado, enchiladas, and rellenos. Used both fresh (green) and dried (red). Essential for authentic New Mexican cooking and often roasted before use.

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Quick reference

Heat2,500 SHU
SpeciesC. annuum
OriginUnited States
Days to ripe75
Ripe colourred
Best forSauce, Drying
Data confidence: 4/5. Sourced from community submissions and verified references. Suggest a correction