Spiraea japonica 39nana39 is a dwarf variety with a low45growing spreading habit ideal as a specimen shrub or informal hedge it bears pink flowers against a backdrop of toothed green foliage which takes on fabulous autumn shades spireas are popular deciduous shrubs that are loved by pollinating insects and 39nana39 has been awarded a coveted rhs agm easy to grow and resilient plant this shrub in the wildlife garden or a sunny border height 50cm 40203441 sp