Triple Crown Thornless Blackberry?

How do I start new plants from the canes cut off?

'Triple Crown' is a joint release from the USDA-Beltsville and the Pacific West Agricultural Research Service. Early trials indicate that it may ripen earlier than Chester and is similar to Chester in winter hardiness. Best grown in moist, organically rich, slightly acidic, well-drained soil in full sun to part shade. Intolerant of wet soils. Raised beds should be considered in areas with heavy clay soils. Plants are perennial but canes are biennial. For established shrubs, tip-prune new vegetative (non-fruiting) canes in summer. Immediately after fruit harvest, remove all canes that fruited to the ground. In late winter to early spring, remove any canes damaged by winter and thin the remaining canes to 4 or 5 strong, well-spaced canes plus trim the laterals thereof. Plants generally perform best when staked.