The Comanche Blackberry Plant has been especially valuable as a commercial blackberry erect thorny selection of pick-your-own operations. The use of growth and blooming chemical regulators in Mexico by blackberry researchers has shifted the bloom period and ripening date later when commercial blackberry prices are higher. Yields after treatment of Comanche Blackberry Plants with gibberellic acid and thidiauron increased yield of blackberries by seven fold, a phenomenal gain in profit for the berry grower. The Comanche Blackberry Plant was the earliest commercial berry to ripen, the plant has erect-growing canes with strong, vigorous, moderately scattered thorns. The Comanche Blackberry plants berries ripen in May and are very delicious when eaten fresh from the vine.