Scientific Name: Spiraea thunbergii
Common Name: Thunberg spirea, baby's breath spirea
Family Name: Rosaceae
Origin: S.E. Asia / Japan / China
Hardiness Zone: Zone 3: (-40 to -34 °C)
Plant Type: Shrub - deciduous
Mature Size: 1.3 - 2.0m x 1.5 - 2.0m (height x width)
Habit: Arching, Dense
Form: Vase
Texture: Fine
Landscape Uses: Hedge row, Mixed shrub border
Exposure: Full sun, Part sun/part shade
Soil or Media: Humus rich, Well-drained
Leaves: Simple, Alternate, Soft flexible, Glabrous, Falcate, Lanceolate, Serrate
Flowers: Cyme, White, Mar-Apr-May
Fruit: Aggregate fruit, Follicle, Brown, Jun-Jul
Key ID Features:
Leaves willow-like arrow, margins sparsely serrated, up to 5cm long x 5mm wide; florets about 1cm wide, 5 oval petals, white. Winter ID: twigs very fine, pubescent; buds alternate, ovoid, leaf scars crescent shaped.