Spiraea japonica Limemound®
S. × b. 'Monhub'
S. × bumalda Limemound®
Native to (or naturalized in) Oregon:
- Deciduous shrub, to 3 ft (0.9 m) tall and twice as wide, mounding form, moderate growth rate. Leaves lemon yellow with russet tinge when young then lime-green; in fall orange-red with reddish stems. Flowers are light pink, summer blooming.
- Hardy to USDA Zone 3 Branch sport of S. japonica 'Goldflame' and introduced by Monrovia Nursery in 1985. Monrovia lists it as hardy to USDA Hardiness Zone 3, a Zone lower than 'Goldflame' (Zone 4).