Yamagata variety is very early. It ripens in Florida in March-April when no other varieties produce fruit. Fruit is large, pear-shaped, with a small seed and green skin. It's a very fine, gourmet Hawaiian avocado named for agriculture specialist Heiji Yamagata, who develeoped it. According to University of Hawaii consumer poll, Yamagata was selected as one of the best Hawaiian cultivars. Medium to low cold hardiness. Very vigorous and upright growing tree.