Kerria japonica Plant Data Family Name: Rosaceae Common Name: kerria Other Name(s): Kerria japonica Hardiness Zones: Zone 5: (-29 to -23 C) Plant Code: keja Pest: Blight or needle cast, Canker or sap rot, Flowering Time: May, Jun, Flowering Color: Yellow, Leaf Form: Simple, Leaf Arrangement: Alternate, Leaf Shape: Lanceolate, PlantSomething BC Garden Centre Listings No members have selected this plant.