70-80 days. Serrano Tampiqueno Hot Pepper Seeds. Capsicum annuum. Open Pollinated. Non-GMO. The pride of Guanajuato, Mexico, the Serrano Tampiqueno is one of the most diverse pepper plants available. Similar in appearances to the popular jalapeno, Serrano Tampiqueno seeds grow compact 2″ long peppers without comprising heat. Registering at broad 10,000-25,000 SHU, the Serrano Tampiqueno is most popularly enjoyed raw, grilled, or pickled. Comes in one 1 gr container.