Dark fruited Korean variety. Earlier ripening than Illinois with very high-quality firm fruit. Kokuso mulberry is reportedly even hardier than Illinois Everbearing and grown even farther North, up into Minnesota. Zone 4-9.
ZONE: 4-9
POLLINATION/BLOOM TIME: Self-fruitful. Wind pollinated. Leafs out very late to avoid spring frosts.
RECOMMENDED GROWING AND CARE:
Full to 2/3 sun, balanced moisture, reduce grass competition in root zone. Top dress with compost yearly. Will grow in wide-ranging soil conditions. Dormant prune to avoid sap bleed. Spur bearer. Stake young trees to avoid them becoming top-heavy and uprooting. Can be kept pruned as 10' x 10' bush and sheared yearly. Mid-season ripening. Fruit is very juicy and keeps poorly.
CHILL HOURS: 300-500 hours below 45F
DISEASE RESISTANCE: Excellent.
SIZE AT MATURITY: Quickly to 30' x 20'; will easily add 3' - 5' yearly.