As a dwarf variety with a mound45forming habit spiraea japonica 39genpei39 adds ornamental charm to any garden setting spireas are popular deciduous shrubs and 39genpei39 is so welcoming to insects that it has been given an rhs perfect for pollinators award its attractive flowers are borne in summer starting red and fading first to pink and then to pure white this colour45changing display occurs against a backdrop of bright green tooth45shaped foliage hung from slende