“Red Jamaican Pepper plants will produce small fruits, measuring 1 to 2 inches in diameter. Their size is not relative to their kick however. Red Jamaican Peppers measure anywhere between 250,000 to 300,000 units on the Scoville heat scale. The outer skin of this variety is waxy with a bright red coloring. The plants themselves grow to a mature height of about 24 to 30 inches tall and about 24 inches wide.” Text from seedneeds.com. Picture from ohioheirloomseeds.com.