Karmijn De Sonnaville is a Dutch apple that delivers an intense, complex flavor profile that rewards patience. This red-russeted cultivar, a triploid cross of Cox's Orange and Jonathan, reaches 8 to 12 feet tall and thrives in hardiness zones 4 through 9 with full sun. The real treasure emerges after storage: picked in mid-October, the apple's remarkable balance of sugars and acids mellows into sophisticated, aromatic character over about a month in storage. Home gardeners prize it as both a disease-resistant producer and an exceptional winter keeper.
Full Sun
Moderate
4-9
144in H x ?in W
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Moderate
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Karmijn De Sonnaville measures highest in both sugars and acids among apples, creating an intensely aromatic fruit that some find overwhelming fresh off the tree. The Dutch heritage shows in its deep red russeting and the remarkable flavor transformation that happens in storage, where sharp initial notes soften into complex, mellow character. As a triploid, it requires a pollinator partner, but the payoff is a serious keeper that rewards patient storage with flavors that improve week by week.
Karmijn De Sonnaville excels as a winter keeper and cider apple, though its intensity is best appreciated after storage when the sharp edges of freshly picked fruit have mellowed into sophisticated, balanced flavors. The high acid and sugar content make it valuable for cider production and long-term kitchen storage. Its russeted skin and keeping ability mark it as a storage apple for serious preservationists rather than a casual eating apple.
No timeline data available yet for this variety.
Harvest Karmijn De Sonnaville in mid-October when the red russetting deepens and the background color shifts from green to yellow. Pick by gently lifting and twisting each apple from the branch; they should release with light pressure when fully ripe. Handle carefully to avoid bruising, as these apples are destined for storage.
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“This variety emerged from deliberate breeding in Holland, combining the refined qualities of Cox's Orange with the vigor of Jonathan. The resulting triploid inherited the aromatic intensity of both parents while developing its distinctive russeted skin and remarkable keeping ability. Karmijn De Sonnaville represents a European approach to apple breeding focused on flavor complexity and storage potential, arriving in North American gardens through specialty nurseries dedicated to heirloom and regionally significant varieties.”