The Hass avocado or Hass avocado are the common names of the Persea americana fruit belonging to the "Hass" variety, originated from a Guatemalan seed in a garden by Rudolph Hass in La Habra, California in 1926, patented in 1935 and introduced globally in the market in 1960; It is the most cultivated variety in the world. The "hass avocados" are one of the most common varieties of avocado.