The first Keitt Mango Tree was grown in the Homestead, Florida yard of Mrs. J. N. Keitt (pronounced “keet”) in 1939. The Keitt Mango Tree was originall Keitt y thought to be a seedling from a Mulgoba Mango, but later studies have indicated that the variety is more likely the seedling from a Brooks Mango. In either case, The large fruits are green with red blush, grow to 7-inches long, and can weigh as much as 3 pounds each.
Keitt Mango Trees grow to mature sizes of about 20 feet tall and 12 to 15 feet wide. They can be grown in the ground in USDA Zones 9 to 11, or in a pots within Zones 4 to 11. Keitt Mango Trees like well drained, slightly acidic soil, frequent deep watering, and a steady diet of fruit tree fertilizer. They are self-fertile but when paired with other late-season mangoes will produce even larger yields.