Family: Hyacinthaceae
Genus: Hyacinthus (hy-uh-SIN-thus) (Info)
Species: orientalis (or-ee-en-TAY-liss) (Info)
Cultivar: Bismarck
Hybridized by Ziegler; Year of Registration or Introduction: 1875
Category:
Bulbs
Height:
6-12 in. (15-30 cm)
Spacing:
3-6 in. (7-15 cm)
Hardiness:
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
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)
USDA Zone 10a: to -1.1 °C (30 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Handling plant may cause skin irritation or allergic reaction
Bloom Color:
Dark Blue
Bloom Time:
Late Winter/Early Spring
Foliage:
Blue-Green
Rubbery-Textured
Other details:
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
This plant is resistant to deer
Flowers are good for cutting
Suitable for growing in containers
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:
Unknown - Tell us
Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
By scoring the base of the bulb to promote new bulblets
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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