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Category
Alpines and Rock Gardens
Bulbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Foliage Color
Blue-Green
Height
12-18 in. (30-45 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
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Where to Grow
Can be grown as an annual
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Characteristics
Flowers are good for cutting
Flowers are fragrant
Bloom Size
Bloom Time
Mid Spring
Late Spring/Early Summer
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 rhizomes, tubers, corms or bulbs (including offsets)
Direct sow as soon as the ground can be worked
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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