Cultivation
Sow seed in spring in moderately fertile, moist but well-drained, neutral to alkaline soil in full sun. Requires long, hot summers to flower well. Alternatively, sow in late winter with heat.
Suggested uses
Architectural, Flower Arranging, Beds and borders, Cottage/Informal, City, Wildlife
UK hardiness
H4
USDA zones
Zone 5, Zone 6, Zone 7, Zone 8, Zone 9
Sunset zone
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
WUCOLS
North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown