Almaden Duke Cherry is a modern sweet-tart cherry discovered in the Almaden Valley near San Jose, California, and believed to be a sweeter sport of Mazzard. This heritage Duke-style cherry ripens later than typical pie cherries, rewarding patient growers with a delightfully complex flavor and aroma. Hardy in zones 4 through 10, it grows 12 to 16 feet tall and thrives in full sun, making it well suited to hot climates. Self-fertile and requiring low winter chill hours, Almaden Duke performs reliably where other cherries struggle, blooming in July and producing fruit worth the wait.
Full Sun
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4-10
192in H x ?in W
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High
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Discovered by Andy Mariani in California's Almaden Valley, this cherry carries both modern reliability and heritage character. Its complex flavor and aromatic profile set it apart from standard pie cherries, while its late ripening window extends the season. The combination of self-fertility, low chill requirements, and proven heat tolerance makes it genuinely useful for gardeners in warm regions where traditional cherries often fail. On Gisela 5 rootstock, it reaches a manageable size that fits most home orchards.
As a Duke-style cherry, Almaden Duke works well for both fresh eating and culinary applications. The sweet-tart profile and later ripening suggest value in preserving, baking, and pie making, where the complex flavor can shine. The aromatic character indicates appeal for fresh consumption as well, particularly for gardeners in warm climates where fewer cherry varieties succeed.
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Plant bare-root or container-grown trees in early spring or fall, when the tree is dormant. Dig a hole slightly wider than the root ball and plant at the same depth it was growing previously. Backfill with native soil mixed lightly with compost, water thoroughly, and mulch around the base. Space trees at least 12 to 16 feet apart to allow for mature canopy spread and air circulation.
Almaden Duke Cherry ripens later than typical pie cherries, so patience is rewarded with more complex flavor development. Harvest when the fruit reaches full color and feels slightly soft to gentle pressure. Pick by hand, leaving the stem attached when possible, or allow fully ripe fruit to drop naturally if you prefer. The later ripening window means you'll be harvesting well after early cherry varieties have finished.
Prune young trees to establish an open, vase-like framework that allows light and air into the center of the canopy. Remove crossing branches, water sprouts, and any diseased or dead wood. As the tree matures, light annual pruning maintains shape and encourages productive wood. For Duke cherries, moderate pruning after harvest helps direct energy to fruit production the following season.
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“Almaden Duke Cherry emerged from the Almaden Valley near San Jose, California, where it was discovered and later provided to Raintree Nursery by Andy Mariani. The variety is believed to be a sweeter sport of Mazzard, carrying forward the Duke cherry heritage while adding the complexity and refined flavor that characterizes heirloom stone fruits. Its discovery in California's fruit-growing heartland and subsequent preservation through commercial nurseries represents the ongoing tradition of finding and propagating superior fruit trees within established growing regions.”