Spiraea
'Renaissance'
The 'Renaissance' is very similar to the 'Van Houttei' with white flowers and foliage that is both mildew and rust resistant.
Bloom
Time: April or May.
Growth Habit: 5-8' in height.
Foliage: Bluish-green with occasional hints of purple in the fall.
Sun/Shade:
Sun.
Hardiness
Zones: 3-8.