- quality ▁black ▁curr ant ▁c utt ings ▁from ▁the ▁Greek ▁village ▁of ▁Pan ar iti , ▁a ▁ren owned ▁producer , ▁and ▁established ▁the ▁first ▁commercial ▁cro ps . ▁However , ▁because ▁of ▁the ▁higher ▁popular ity ▁of ▁Thompson ▁Se ed less , ▁American ▁production ▁remained ▁mod est ▁up ▁to ▁ 1 9 2 0 s ▁and ▁ 1 9 3 0 s , ▁after ▁which ▁its ▁popular ity ▁increased ▁due ▁to ▁the ▁higher ▁prices ▁it ▁could ▁bring ▁and ▁improved ▁cultiv ation ▁practices ▁( g ird ling ). ▁The ▁plant ings ▁reached ▁ ▁by ▁ 1 9 3 6 , ▁which ▁is ▁approximately ▁its ▁current ▁level . ▁ ▁Description ▁ ▁In ▁wild ▁g rap es , ▁the ▁species ▁is ▁dio e cious ; ▁the ▁sex es ▁grow ▁on ▁separate ▁v ines ▁with ▁male ▁flowers ▁on ▁one ▁plant , ▁and ▁female ▁flowers ▁on ▁another . ▁Black ▁Cor inth ▁is ▁an ▁" al most ▁male " ▁variety ▁in ▁that ▁the ▁flowers ▁have ▁well - develop ed ▁an thers ▁( male ), ▁but ▁only ▁tiny ▁under develop ed ▁o var ies ▁( f em ale ). ▁ ▁Cl ust ers ▁of ▁Black ▁Cor inth ▁are ▁small , ▁aver aging ▁ ▁and ▁r anging ▁from ▁. ▁They ▁are ▁cyl ind rical , ▁with ▁prominent ▁shoulder ▁or ▁wing ed . ▁The ▁ber ries ▁are ▁very ▁small ▁, ▁round , ▁and ▁of ▁a ▁re dd ish ▁black ▁color . ▁The ▁skin ▁is ▁very ▁thin , ▁and ▁the ▁flesh ▁is ▁ju icy ▁and ▁soft . ▁It ▁is ▁pract ically