Glenora Grape Vines

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Glenora is a high-quality, seedless table grape producing medium-sized blue-black berries with a mild, pleasant, and slightly spicy flavor. The vine is vigorous and productive, for ming long, well-filled clusters of medium to large, loose grapes. Berries have thin, smooth skin and fine-textured, melting flesh, offering a sweet and refreshing taste without noticeable labrusca character. Selected in 1952 from the cross Ontario × Russian Seedless (likely a synonym of Black Monukka), Glenora combines excellent flavor with high vigor and reliable productivity. Vines appear resistant to grape phylloxera and generally do not require grafting to a resistant rootstock. Flowers are perfect, with upright stamens, supporting large clusters of medium-sized berries. Fruit responds very well to gibberellin treatment, which can improve cluster length and berry size. Glenora grapes are well-suited for fresh eating and table use, and the vine holds fruit well on the vine if needed. Disease susceptibility:• Black rot – moderately susceptible• Downy mildew – moderately susceptible• Powdery mildew – highly susceptible• Botrytis – slightly susceptible USDA Zone: 5-9 Pollination: Self Fertile Ripening Dates: Late August- Early September Sun: Full Sun Mature Height: 8-10' Mature Spread: 8-10' Support Needed Ships Spring 2026 Show more