Columbia Giant Thornless Blackberry Size:1 Gal bushy plants have glorious

bushy plants have glorious

whether grown in natural or sheared form

Yellowish white flowers are followed by small blue berries

buff-colored plumes that arch above the lush

Columbia Giant Thornless Blackberry Size:1 Gal bushy plants have gloriousRubus 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.