Category
Annuals
Height
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
Not Applicable
Sun Exposure
Light Shade
Danger
Bloom Color
Dark Blue
Blue-Violet
Violet/Lavender
Bloom Time
Mid Summer
| Foliage
Herbaceous
Other details
Average Water Needs; Water regularly; do not overwater
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From herbaceous stem cuttings
From seed; sow indoors before last frost
Seed Collecting
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