An early ripening plumcot for the Southeast. Origin: Byron, Ga., by W.R. Okie of USDA–ARS. BY8111-6 op (= BY4-601 (= Queen Ann × Santa Rosa) × Frontier); seed planted in 1988; sel. in 1991 as BY88Z1092. Apricot pollen parent unknown. Tree: moderately vigorous with upright growth; compatible with peach rootstock; moderately resistant to bacterial spot and canker; tolerant of plum leaf scald. Flowers white, 2 cm diameter; moderate pollen but relatively self-infertile; sets well with Japanese plum pollen, less well with apricot pollen; chill requirement 750 h. Productive if cross-pollinated and usually requires thinning. Fruit: size 5 cm; round to oblate in shape; skin reddish-black with very short fuzz; flesh firm, yellow-red; quality good when flesh softens, otherwise tart; clingstone; ripens 2-3 weeks before Santa Rosa and Morris or late May at Byron.
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