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Hyacinthus, Dutch Hyacinth 'Bismarck'

Hyacinthusorientalis

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Hyacinthus orientalis by chrisw99
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Genus
Hyacinthus (hy-uh-SIN-thus)
Info
Species
orientalis (or-ee-en-TAY-liss)
Info
Synonym
Scilla coronaria
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
This plant is resistant to deer
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)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Medium Blue
Bloom Time
Late Winter/Early Spring
Other Details
Category
Bulbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
Flowers are fragrant
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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
Regional

This plant is said to grow outdoors in the following regions:

Los Altos, California

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chrisw99
Los Altos, CA (Zone 9a) | March 2007 | positive

Hyacinth orientalis 'Bismarck' is a heirloom variety from 1875. It is a gorgeous blue with a deeper blue stripe. It blooms late Feb-ear...Read More

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