Begonia x rex Plant Data Family Name: Begoniaceae Common Name: rex begonia Other Name(s): Begonia Other Name(s): x Other Name(s): rex Hardiness Zones: Zone 10: (-1 to 4 C) Plant Code: bexr Pest: Blight or needle cast, Mildew, Mites, Root rot, Leaf Form: Simple, Lobed, Leaf Shape: Lanceolate, Ovate, PlantSomething BC Garden Centre Listings No members have selected this plant.