Category
Perennials
Height
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
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
Full Sun
Danger
Pollen may cause allergic reaction
Bloom Color
Bright Yellow
| Bloom Time
Mid Spring
Foliage
Grown for foliage
Evergreen
Silver/Gray
Aromatic
Other details
Average Water Needs; Water regularly; do not overwater
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
Patent Information
Non-patented
Propagation Methods
From herbaceous stem cuttings
By simple layering
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
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