Rubus fruticosus 'Driscoll Cowles'

A perennial hermaphrodite deciduous shrub.

A late season, thornless, semi-erect blackberry. Origin: developed by Carlos D. Fear, Gavin Sills, Fred M. Cook, and Richard E. Harrison, Driscoll Strawberry Associates, Inc., Watsonville, Calif. Driscoll Sonoma × Loch Ness; cross made in 1993. USPP 14,780 issued 11 May 2004, assigned to Driscoll Strawberry Associates, Inc. Tree: semi-erect; thornlessness originally from Merton Thornless; moderately productive; high vigor; ploidy assumed to be 2n=4x=28. Fruit: solid black; medium-large, 6.1 g; firm; narrow ovate; glossy; 11.2% SS; mid-late harvest season;