Columbia Giant Thornless Blackberry Glass Provides a dramatic tropical look

Provides a dramatic tropical look on a cold-hardy herbaceous perennial

Imagine the rose Paradise with more blue

Be the only one on your block with fresh raspberries in September

Outstanding structural bloomer for back of beds and borders

Photinia glabra 'Parsur' PP #19

Columbia Giant Thornless Blackberry Glass Provides a dramatic tropical lookRubus subgenus Rubus Watson 'Columbia Giant' PP DESCRIPTION The largest ever thornless blackberries, with enormous conical fruit that can reach two inches long! Summer fruit is sweet with a touch of tartness, and a hint of raspberry flavor. The vigorous, trailing canes benefit from trellis support. Deciduous. LIGHT Full sun WATERING Water when top 3 inches of soil is dry. BLOOMS Spring flowers, summer fruit. MATURE SIZE Canes reach 6 ft. long.