Cultivar: var. alpina for Spiraea japonica (or x bumalda)
Notes
var. alpina (a.k.a. 'Alpina', 'Nana', 'Nyewoods') - low, spreading groundcover form; grows to 2' tall and several feet wide; light pink blooms; small, blue-green finely-textured leavesOther Cultivars for this plant
'Anthony Waterer', 'Candlelight', 'Coccinea', 'Crispa', 'Dakota Goldcharm', 'Dakota Goldcharm', 'Dart's Red', 'Double Play Artist', 'Double Play Big Bang', 'Double Play Doozie', 'Double Play Gold', 'Double Play Red', 'Golden Elf', 'Golden Princess', 'Goldflame', 'Goldmound', 'Little Princess', 'Magic Carpet', 'Neon Flash', 'Norman', 'Shirobana', 'var. albiflora', 'var. alpina'