From the ArcaMax Publishing, Gardening Newsletter:
http://www.arcamax.com/news/gardening/s-160566-706855
Plant type: Annual, Herb, Interior Plant
USDA Hardiness Zones: UKN
Height: 12" to 24"
Spread: 12" to 18"
Exposure: full sun
Bloom Color: Purple, White
Bloom Time: Early summer, Late summer, Mid summer
Leaf Color: Green
Growth Rate: fast
Moisture: moist
Soil Condition: Loamy, Neutral, Sandy, Well drained
Form: Rounded
Landscape Uses:
Border, Container, Specimen
Special Features:
Attractive foliage, Edible, Fragrant foliage, Not North American
native, Suitable for dried flowers, Inconspicuous flowers or blooms