The 'Black Butte' blackberry is a trailing cultivar developed by the USDA-ARS Horticultural Crops Research Laboratory in Oregon. It is widely recognized for producing exceptionally large, firm berries that are prized and highly sought after by home gardeners and specialty markets. because the vines bear firm berries that can handle the rigors of shipping. The Black Butte is an extra large, sweet berry that averages 1 inch in diameter and 2 inches long. The individual berries weigh more than two-fifths of an ounce which is almost twice the size of other varieties of fresh blackberries. The Black Butte ripens in late June, four to six weeks earlier than many other varieties. The Black Butte is a premium, trailing blackberry variety celebrated for producing some of the largest berries in the world. Developed by USDA scientists in Oregon, this early-season fruit is known for its sweet, rich flavor and massive size, making it