Category Perennials
Height 6-12 in. (15-30 cm)
Spacing 15-18 in. (38-45 cm)
Hardiness USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F)
Sun Exposure Sun to Partial Shade Light Shade Partial to Full Shade
Danger
| Bloom Color White/Near White
Bloom Time Mid Summer
Foliage Grown for foliage Evergreen Herbaceous
Other details Average Water Needs; Water regularly; do not overwater
Soil pH requirements 4.6 to 5.0 (highly acidic) 5.1 to 5.5 (strongly acidic) 5.6 to 6.0 (acidic)
Patent Information Non-patented
Propagation Methods By dividing the rootball From softwood cuttings
Seed Collecting Allow seedheads to dry on plants; remove and collect seeds
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