Radius florist's spiraea
Astilbe 'Radius'
USDA zones3 to 8
SunHandles full sun to full shade
WaterHandles moderate to wet soil
Sizeup to 24 inches tallup to 18 inches wide
- Bloom season
- Spring, summer, autumn
- Bloom color
- Red
- Soil types
- Loam
Garden uses
Attracts
Notes
'Radius' florist's spiraea (Astilbe 'Radius') is a perennial for borders, cottage gardens, shade gardens, and cut flowers. It is hardy to USDA zone 3, or down to -40°F (-40°C). This plant likes full sun to full shade and average to wet, loamy soil. Its fragrant red blooms attract butterflies. Deer and rabbits tend to pass it by. It grows up to 24 inches tall and 18 inches wide.
Pairs well with August Moon hosta, Sensitive fern, and Eastern columbine.