From the ArcaMax Publishing, Gardening Newsletter:
http://www.arcamax.com/news/gardening/s-160404-347239
Plant type: Perennial
USDA Hardiness Zones: 5b to 9a
Height: 12" to 36"
Spread: 12" to 36"
Exposure: partial shade partial sun to full sun
Bloom Color: White
Bloom Time: Early summer, Early spring, Late summer, Late spring, Mid
summer, Mid spring
Leaf Color: Green
Growth Rate: average
Moisture: dry to moist
Soil Condition: Acidic, Clay, Loamy, Neutral, Well drained
Form: Upright or erect
Landscape Uses:
Border, Container, Foundation, Rock garden, Specimen
Special Features:
Not North American native, Attracts butterflies, Suitable for cut
flowers, Suitable for dried flowers, Attractive flowers or blooms