Category
Bulbs
Height
6-12 in. (15-30 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
Bloom Color
Magenta (Pink-Purple)
Red
Blue-Violet
Violet/Lavender
Purple
White/Near White
| Bloom Time
Mid Spring
Late Spring/Early Summer
Foliage
Grown for foliage
Herbaceous
Blue-Green
Veined
Other details
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting
Soil pH requirements
Patent Information
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
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