Species: Annuum Origin: Mexico Heat Level: Medium Serrano translated to English means 'from the mountains', after the mountain ridges of Puebla and Hidalgo in Mexico from where it is thought to have orginated. These bullet shaped chiles grow up to 6cm long, are thick fleshed and mature from lime green to red approximately 85 days after transplanting. The pods grow on tall 30in plants which have distinctive fuzzy leaves. The pods can be eaten in their green or red form and in general have medium pungency with the various strains measuring anywhere from 2500 to 23000 scoville units.