Category
Groundcovers
Height
6-12 in. (15-30 cm)
Spacing
3-6 in. (7-15 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)
Sun Exposure
Partial to Full Shade
Danger
All parts of plant are poisonous if ingested
Bloom Color
Brown/Bronze
| Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Foliage
Grown for foliage
Evergreen
Herbaceous
Blue-Green
Aromatic
Shiny/Glossy-Textured
Other details
Very high moisture needs; suitable for bogs and water gardens
Soil pH requirements
6.1 to 6.5 (mildly acidic)
Patent Information
Propagation Methods
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
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