Category
Herbs
Height
6-12 in. (15-30 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Violet/Lavender
Bloom Time
Late Summer/Early Fall
Mid Fall
| Foliage
Herbaceous
Aromatic
Other details
May be a noxious weed or invasive
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From herbaceous stem cuttings
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
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