Blooms: Mid-Late Spring. Self-pollinating but will produce better with cross-pollination. Fruit color: Reddish Purple. Large sized fruit. Harvest in September. Large, heart-shaped fruit with thick, bronze green skin that turns reddish purple when completely ripe. Juicy, blood-red freestone flesh with a distinctive rich flavor. The Elephant Heart plum tree produces higher yields with Santa Rosa as pollinizer.