It was founded around 1500, and it is believed that the name comes from "Pedro" (Stone in Spanish) + "Heras" (Farming Field in Spanish).
The main activity is garlic farming and wine making. Currently it produces about 60% of the total Spanish garlic production. In Spain Pedroñeras is called the "Garlic Capital", because the good quality of its garlic, publicized on television by Karlos Arguiñano, a Spanish chef. Every summer the International Garlic Congress takes place in the town.
It is also known for a very highly rated restaurant.