Nonpariel Almond Trees need 400 extended (3 weeks of temps. below 45 degrees F.) chill hours in order to break their dormancy and to then grow in the spring. These trees grow very large and will produce abundant crops but do necessarily require to be pollinated by the Texas Almond Trees. The Nonpareil Almond Tree is extremely robust and can survive very harsh conditions. Nonpareil Almonds always grow with a tough leathery flesh encased around the nut which is always removed and discarded before the almond can reach the market.