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Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Evergreen
Smooth
Foliage Color
Blue-Green
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
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)
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Where to Grow
Danger
All parts of plant are poisonous if ingested
Bloom Color
White/Near White
Bloom Characteristics
Bloom Size
Bloom Time
Late Winter/Early Spring
Mid Spring
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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