This Korean variety is believed to be a Morus nigra subspecies. It is reportedly every bit as hardy as Illinois Everbearing with similar fruit size. It ripens over 2 to 3 weeks, starting slightly earlier than the Illinois. Large high quality, purple-black fruit is sweet and mild flavoured with sufficient firmness for producing and handling. Unlike most mulberries, Kokuso does not readily drop it's ripe berries. Although the tree grows quite rapidly, it remains relatively compact.
SELF-FERTILE | ZONE 4/5 | HARVEST : MID-LATE JUNE