Illiny Hardy
Date: 2021-08-18, updated: 2023-03-09
Selected for northern growers. One of the best rate of winter survival of all the blackberry varieties, acceptable for cold areas with returning frosts and unpredictable springs
Rubus subgenus Rubus Watson 'Illiny Hardy'
Originated from a cross of Chester Thornless x NY 95
Variety denomination 'Illiny Hardy'
Plants are thorny
Bushes have erect canes
Fruit weight is 4 g
Berries have a rounded shape
Soluble solids - 10.1%
Fruiting habit floricane fruiting (summer-bearing)
Flowering on floricanes starts in the third week of May
Ripening date (regular) - second week of July
Productivity is 4300 kg from ha
Cold hardiness is extremely high
Country of origin United States
Patent Plant 8,333 dated August 01, 1993
Current status - obsolete or rarely used
Recommended replacement - Osage
Plants bloom in May, last flowers can be seen on the bushes up to late June. The flowers are white and contain a branched cymose inflorescence. Berries ripen from mid to late July (very depend of region). Color is black, glossiness is retained even when the fruit is overripe. The flavor of the fruit is acidic but flavorful, and resembles the flavor of wild blackberries.
Illiny Hardy has survived temperatures as low as minus 30 C, that is one of the best results from all known blackberry varieties.