Susan Mulvihill - Blackberry season is upon us! These are thornless blackberries and the cultivars are 'Black Satin' and 'Triple Crown'. I know those of you who live in western Wash. and
Thornless Blackberry Pair: Chester and Triple Crown | White Flower Farm
Triple Crown Thornless Blackberry Plant - Stark Bro's
Triple Crown Blackberry Trellis - General Fruit Growing - Growing Fruit