Astringent Persimmon
Giombo Persimmon is an exceptional astringent variety that produces some of the largest persimmon fruit available, with individual fruits reaching up to five inches across. Hardy in zones 7 through 9, this tree grows 12 to 15 feet tall and 8 to 10 feet wide, reaching fruit-bearing maturity in 3 to 5 years. The light translucent orange fruit combines the elegant shape of Hachiya with a smooth texture and remarkably sweet flavor reminiscent of Saijo, ripening about two weeks after that classic variety. Despite its astringent nature before full ripeness, once mature the flesh becomes succulent and jelly-like, rewarding patient growers with exceptional fruit.
15-20 feet apart
Full Sun
Moderate
7-9
180in H x 120in W
Perennial
High
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This cultivar earned its 'Jumbo' nickname honestly: the fruit easily reaches five inches, substantially larger than most persimmons you'll encounter. The combination of size with refined flavor sets Giombo apart; it has the elegant appearance and shape of Hachiya but trades that variety's dense texture for something closer to the silky sweetness of Saijo. Growers who appreciate astringent persimmons will find the extended ripening period actually works in their favor, allowing for a longer harvest window and deeper flavor development as the fruit fully matures.
As a fresh fruit, Giombo Persimmon is eaten fresh once fully ripened, when the flesh becomes soft and jelly-like and can be scooped directly from the skin. The large size and exceptional sweetness make it particularly suited to eating fresh rather than drying, though the succulent flesh would theoretically work well in preserves or desserts. The astringent characteristics typical of this variety are best managed by waiting for complete ripeness, at which point the fruit transitions into something luxuriously edible.
Persimmon trees are typically sold as bare-root or container specimens rather than started from seed. Transplant in early spring or fall, planting at the same depth the tree grew in its nursery pot. Space trees 120 inches apart and water thoroughly after planting to settle the soil.
Giombo persimmons are ready when the fruit fully softens and the skin transitions to a deep translucent orange, which occurs roughly two weeks after the Saijo variety ripens. Allow astringent fruit to remain on the tree or indoors until completely soft; attempting to harvest before full ripeness will result in an unpleasantly astringent taste. Gently twist and lift ripe fruit from the branch, or use pruning shears to avoid damaging the tree.
Prune young Giombo trees to establish a strong scaffold structure during their first few years. Remove crossing branches and thin the canopy to improve light penetration and air circulation, which helps prevent disease and promotes even ripening of the large fruit. Mature trees need only light maintenance pruning to manage size and remove any dead or damaged wood.
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