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Peppers: How Hot is HOT?

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The potency of hot peppers can be compared using the Scovill scale. (Illustration by Marjorie Boehme)

Published June 10th, 2014

Whether you’re serious about hot peppers of just enjoy a little “heat” with your food, growing hot peppers in your vegetable garden is fun and rewarding. Peppers are a warm-weather crop, so now is the perfect time to get them planted.

Hot pepper fans have more varieties than ever to choose from these days, and there’s more than a little hype surrounding this topic. Comparing the relative potency of hot peppers is a favorite, not to say macho, pastime. To make comparison easier, peppers are scored in Scovill Heat Units, or SHU’s. Named after its creator, American pharmacist Wilbur Scovill, this measuring system rates the capsaicin content of peppers using the Scoville Organoleptic Test.

Test results vary widely, since human tasters are involved. In addition, pepper potency depends somewhat on growing conditions. Still the Scovill scale is a useful means of comparison.

There are hundreds of known varieties available today, and it can be hard to tell the difference between them at times. Here’s a list of the hot pepper varieties we have at GoodSeed Nursery, from mildest to hottest:

Cubanelle: Mildly hot pepper traditionally used as a roasting and stuffing pepper.  100-1,000shu.

Pablano: Mildly hot pepper with spicy bite.  Commonly used to make chili powder and salsa.  Also good for grilling and stuffing.  1,000-2,000shu.

Hot Banana: Also called Hungarian Wax. Canary yellow fruits turn bright red when fully ripe.  Great for pickling and drying.  3,000-4,000shu.

Jalapeno: Dark green fruits are at their hottest when they are allowed to fully ripen to red.  3,500-8,000shu.

Anaheim: Mildly hot chili pepper.  Plants produce loads of long green fruit that turn brilliant red when fully ripe.  4000-8,000 shu.

Serrano: Very hot and pungent pepper with a distinct flavor!  Five times hotter than Jalapenos.  6,000-23,000shu.

Cayanetta: From HGTV. Compact habit ideal for containers, windowsills and garden borders. Doesn’t need staking. Abundant bright red 4 inch fruit. Cold & Heat tolerant. 10,000-20000shu.

Loco Rojo: From HGTV. Compact attractive habit. Loads of 2inch upright facing purple peppers turn green to bright red.  Pungent, similar to a cayenne type. 24,000shu.

Tabasco: The pepper used to make the world famous sauce.   Pick when red for the spicest flavor.   30,000-50,000shu.

Cayenne: High yielding hot pepper ripens from dark green to intense red.  Bold flavor and medium heat.  75 days, 40,000-70,000shu.

Basket of Fire: From HGTV. Compact Chili for hanging baskets and containers. Heavy crop of 2-3inch creamy colored peppers turns yellow, then orange, then bright red. 80,000shu.

Habanero: Not for the faint of heart.   Just one pepper adds spicy heat to an entire dish.  Dries and freezes well.  100,000-300,000shu.

Ghost: Legendary variety known as one of the hottest peppers in the world.  Also known as Bhut Jolokia. 900,000-1,100,000shu.

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