Origin: in Di Giorgio, Calif., by Elmer Stark, Di Giorgio Fruit Corp. Introd. in 1950. Plant patent 995; 28 Nov. 1950; assigned 15 July 1948, to the Di Giorgio Fruit Corp., San Francisco, Calif. Bud mutation of Santa Rosa, a spontaneous tetraploid chimera, the first reported in the diploid Japanese-type plums, derived in part from Prunus salicina. Tree: very vigorous; blooms 2 to 4 days after parent; apparently self-incompatible, satisfactory pollinators are Redheart, Inca, Myrobalan 5Q, possibly Elephant Heart, Nubiana, Beauty, Queen Ann. Fruit: larger, more flattened, coarser flesh than the parent; ripens 1 week earlier than Santa Rosa, with or before Beauty; better keeping quality than parent, which it resembles.
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