Dumbarton Oaks Hardy Kiwi is a cold-hardy vine that produces sweet, medium-sized fruit ripening a full month earlier than other hardy kiwi varieties. Native to Actinidia arguta species and thriving in zones 5-9, this cultivar was selected from the prestigious Dumbarton Oaks Estate in Washington D.C.'s Georgetown neighborhood. The ribbed green fruit resembles miniature pumpkins and arrives in September, making it one of the earliest-maturing hardy kiwis for northern gardens. Blooming in late summer and early fall, this heavy producer rewards patient gardeners with abundant harvests of smooth-skinned, sweet berries.
Full Sun
Moderate
5-9
?in H x ?in W
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High
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September ripening sets this variety apart from other hardy kiwis, delivering fruit a full month ahead of standard cultivars like Annanasnaja. The medium-sized berries are distinctly ribbed, giving them a charmingly rustic appearance unlike the smooth kiwis most gardeners expect. Selected directly from the elegant Dumbarton Oaks Estate, this vine carries the botanical heritage of one of America's most celebrated gardens, combining provenance with exceptional productivity.
Hardy kiwis produce small, smooth-skinned fruit meant for fresh eating. Unlike fuzzy kiwis, these berries are entirely edible including the thin skin, requiring no peeling. The sweet flavor and tender texture make them excellent for fresh consumption straight from the vine, though they can also be used in desserts, preserves, or fresh fruit preparations.
No timeline data available yet for this variety.
Harvest in September when the ribbed green fruit reaches medium size and yields slightly to gentle pressure. The berries should feel full but still have some give, indicating ripeness inside. Pick carefully to avoid damaging the vine, and continue harvesting throughout September as fruits ripen progressively.
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“This variety originates from the legendary Dumbarton Oaks Estate in Washington D.C.'s Georgetown neighborhood, one of America's most important horticultural landmarks. The cultivar was selected and preserved at this distinguished property, where it earned recognition for its exceptional ripening speed and heavy fruit production. The gardens at Dumbarton Oaks have long been known for their rigorous plant selection and breeding work, making this hardy kiwi a direct descendant of serious horticultural experimentation and stewardship.”