Willamette Thornless Marion blackberry variety
A thornless variation of widely-known blackberry cultivar Marion
Rubus subgenus Rubus Watson 'Willamette Thornless Marion'
Originated from a cross of Marion x Genetic mutation
Plants are thornless
Bushes have trailing canes
Berries have a oblong shape
Fruiting habit - floricane fruiting (summer-bearing)
Flowering on floricanes starts in the third week of May
Ripening date (regular) - second week of July
Soluble solids - 12.2%
Acidity - 1.9%
Cold hardiness is moderate
Heat tolerance is low
Patent USPP28309P3 dated August 21, 2017
Current status - obsolete or rarely used
Country of origin - United States
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