A picture of a Thunberg Spiraea

Thunberg Spiraea

Spiraea thunbergii

Full Sun
Light watering
Frost Hardy

7a

USDA zone

-18°C

Minimum temperature

Expected size

Height
Spread

1.5m

Max

1.5m

1m

Min

1m

20 years to reach maturity

Flowering

  • spring
  • summer
  • autumn
  • winter

Thunberg Spiraea Overview

This is an early flowering species, which has a dense, arching shrub. The flowers are small white, 5-petalled blossoms on thread-like stalks. The lance-like, finely serrated leaves are light green.

How to propagate Thunberg Spiraea

Cuttings

Propagation is by division between late autumn and early spring, other species and cultivars are propagated by softwood cuttings in the summer.

Division

Special features of Thunberg Spiraea

Hedge plant

Other uses of Thunberg Spiraea

Banks, hedging, specimen Spring interest.