The plants have biennial canes and perennial roots, meaning the canes only bear fruit on two year old growth. Triple Crown Thornless. “Pruning blackberries is a never-ending undertaking. of large, juicy, flavorful fruit. Triple Crown is named for its three attributes; flavor, productivity and vigor. The thornless blackberry ripens for about one month from end of July thru August. Planting Blackberries. $17.95. Thornless Blackberry Triple Crown Bushes. Thornless plants produce sweet blackberries over 5 weeks. At B & D Berry Farm, we have nearly 1,000 ‘Triple Crown’ blackberry plants, six years old during the 2017 season,” he says. Support the channel for free by starting your Amazon shopping here! Today we're trying another blackberry variety here on the farm. Unmanaged mature plants form a tangle of dense arching stems, called a bramble. This outstanding variety can produce over 30 lbs. Growing to a height and width of 3-5 feet they do not spread and are not considered invasive. Blackberries are not true berries. Triple Crown. Produces fruits on first-year canes. This blackberry was released in 1998 by the USDA breeding program in Beltsville, MD. The triple crown blackberry (Rubus fruticosus 'Triple Crown') is a hardy blackberry that with proper care, will provide you with fruit for many years to come.These semi-erect, thornless canes can either be trellised or left free-standing with annual pruning. Blackberry, Prime-Ark Traveler Triple Crown blackberry is a joint release from the USDA-Beltsville and the Pacific West Agricultural Research Service. The Triple Crown Blackberry Plants are the newest thornless blackberry.The Triple Crown Blackberry is named for its three crowning attributes: flavor - productivity - vigor.. I have five Triple Crown’s and they’re my favorite, both in taste and ease of care. The plant is semi-erect and thornless and bears large, flavorful fruit. $14.95 - $36.95 Plants . This very hardy variety offers two other attributes; disease resistance and very large berries. Upright and thorn-less this variety can produce canes over 12ft long that need wire trellis. One of the most productive blackberries available, Triple Crown is well-loved. It will be earlier ripening than the Chester and is as winter hardy as Chester, makes a very sturdy cane The Triple Crown Blackberry is a remarkably disease-resistant blackberry and easy to grow. Plants . Good for fresh eating, it also makes delicious pies, sauce and jam. It ripens earlier than Chester and is similar to Chester in winter hardiness. Excitement begins when the Triple Crown Blackberry bushes ripen from roughly July 10 to about August 10 in most areas. “At full maturity now, we have found that pruning is best accomplished in early spring. Blackberry, Prime-Ark 45® Short Description. Instead, it is botanically termed an aggregate fruit, meaning it is composed of small druplets. Triple Crown Blackberry 2 gallon sized potted blackberry plant. The large, sweet berries are delicious and grow on a semi-erect, thornless blackberry plant. Blackberry, Triple Crown Short Description. Triple Crown Blackberry Rubus spp. Triple Crown has been an excellent blackberry, and was the only blackberry cultivar to produce some fruit after the 2007 April Freeze (even the wild blackberries were fruitless that year). Triple Crown Blackberry, TRIPLE CROWN (Thornless) This variety is a semi erect type plant, bears very heavy, large fruit with excellent flavor.