A thorny, erect primocane-fruiting blackberry. Origin: University of Arkansas, by John R. Clark, James N. Moore, and Jose Lopez-Medina. Arapaho × Ark. 830; cross made 1994; selected in 1997; tested as APF-12; introd. in 2004. USPP pending. Tree: erect canes; thorny; moderate vigor; floricane productivity moderate to high; primocane yield low to high depending on location; susceptible to double blossom/rosette (floricanes); moderately resistant to anthracnose; ploidy assumed to be 2n=4x=28. Fruit: medium, 4.9 g floricane fruit average and primocane fruit ranging from 3.3 (Arkansas) to 10 g (Oregon); glossy, blocky and conical; moderate firmness; good flavor similar to other Arkansas thorny cultivars; 7.9% SS; dry seed weight 2.1 mg; postharvest handling similar to Choctaw and not intended for shipping; floricane fruit first ripe date in Arkansas 7 June near Arapaho; primocane fruit first ripe date 17 July in Arkansas and about 1 Sept. in Oregon; primocane crop can extend until frost.
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