how long do serrano peppers get
Serrano Peppers. 5,000 - 23,000 Scovilles. The serrano chili pepper is a smaller version of the jalapeno pepper, similar in color, but smaller, about 1 to 4 inches long on average and 1/2 inch wide. They generally grow between 1 - 4 inches long and about 1/2 inch wide though they have been known to grow longer.
The smaller the fruits are, the more kick they tend to produce. The serrano pepperâs Scoville rating is 10,000 to 25,000 and thus sits roughly in the center of the scoville scale. Serrano grows as a Perennial and is a Vegetable. Being a Perennial, it tends to grow best over several years (approx 3 years and greater).