Hyacinthus, Heirloom Dutch Hyacinth 'City of Haarlem'

Hyacinthusorientalis

Genus
Hyacinthus (hy-uh-SIN-thus)
Species
orientalis (or-ee-en-TAY-liss)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Smooth
Height
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Danger
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Pollen may cause allergic reaction
Bloom Color
Pale Yellow
Bloom Time
Mid Spring
Other Details
Category
Bulbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Suitable for growing in containers
Bloom Characteristics
Flowers are fragrant
Bloom Size
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
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
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:

GARBERVILLE, California

Los Altos, California

Clifton, Colorado

Las Cruces, New Mexico

Bucyrus, Ohio

Coshocton, Ohio

Painesville, Ohio

, Ontario

Malvern, Pennsylvania

Norristown, Pennsylvania

Knoxville, Tennessee

Salt Lake City, Utah

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Gardener's Notes:

1
positive
1
neutral
0
negative
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E
Las Cruces, NM (Zone 8a) | February 2014 | positive

Planted Fall 2012, Bloomed both Spring 2013 and now blooming Spring 2014. They seem to do fine here with no pre-refrigeration and are sl...Read More

S
| March 2010 | neutral

Hybridized by J.H.Kersten, 1893

Featured
Diamond Weevil
(Chrysolopus spectabilis)
Dusky Woodswallow
(Artamus cyanopterus)
Featured
Diamond Weevil
(Chrysolopus spectabilis)
Dusky Woodswallow
(Artamus cyanopterus)