Jewel Black Raspberry is a cold-hardy cultivar bred at Cornell University that combines the vigor of its Bristol and Dundee parents into a compact, highly productive bush. Hardy in zones 5 through 8, this self-pollinating variety produces large, glossy black berries with a rich, complex flavor that far surpasses red and yellow raspberries. Expect your first substantial harvest in the second year, with peak production arriving in early July. Growing 4 to 5 feet tall and spreading 3 to 4 feet wide, Jewel fits neatly into most home gardens while delivering abundant yields suitable for fresh eating, baking, and preserves.
48
Full Sun
Moderate
5-8
60in H x 48in W
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Moderate
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Large, glossy black berries with a depth of flavor that makes them disappear straight from the garden are the hallmark of Jewel Black Raspberry. Unlike many black raspberries, this variety resists disease better than its cousins, reducing the frustration of fungal problems that often plague the species. The upright, sturdy canes grow vigorously yet remain compact enough for most garden spaces, and the self-pollinating nature means a single plant can produce a full harvest without a pollinator partner.
Jewel Black Raspberries shine in fresh eating straight from the cane, where their rich flavor and tender flesh need no improvement. Home bakers prize them for pies and jams, where their natural pectin and deep color create preserves of exceptional quality. The berries freeze beautifully, making them ideal for gardeners who want to capture summer abundance for winter baking and smoothies. Their high yields mean you'll have enough for all three: eating fresh, making preserves, and filling your freezer.
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Plant Jewel Black Raspberries in early spring or fall when the soil is workable and temperatures are cool. Space plants 4 feet apart in rows, ensuring they have good air movement. Begin harvesting in the second year after planting, when the floricane (second-year) canes produce their fruit.
Begin harvesting in early July when the large black berries reach full color and feel slightly soft to the touch. The glossy, ripe fruit should pull free from the cane with minimal pressure; if it resists, wait a day or two for full ripeness. Pick regularly every 2 to 3 days to encourage continued production throughout the bloom period in July and August. Harvest early in the morning when berries are coolest, and keep them shaded and refrigerated immediately after picking to preserve their delicate texture.
Prune Jewel Black Raspberries after harvest to remove the floricanes (canes that fruited) down to the base, leaving only the vigorous primocanes (first-year growth) for next year's crop. The compact, upright growth habit makes pruning straightforward; remove weak, damaged, or diseased canes at any time, and thin the remaining canes to maintain good air circulation and prevent disease.
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“Jewel Black Raspberry emerged from Cornell University's breeding program as a cross between Bristol and Dundee, two well-regarded black raspberry varieties. This licensed cultivar was developed to combine the disease resistance and reliability that home gardeners demanded with the superior flavor and productivity that made black raspberries worth growing in the first place. The pairing of these two proven parents created a variety sturdy enough to thrive in cold climates while maintaining the glossy appearance and rich taste that made black raspberries legendary in kitchen gardens.”