Spiraea trilobata Plant Data Family Name: Rosaceae Common Name: three lobe spirea Other Name(s): Spiraea trilobata Hardiness Zones: Zone 3: (-40 to -34 C) Plant Code: sptr Flowering Time: Apr, May, Jun, Flowering Color: White, Leaf Form: Simple, Lobed, Leaf Arrangement: Alternate, Leaf Shape: 3 PlantSomething BC Garden Centre Listings No members have selected this plant.