Hyacinthus, Dutch Hyacinth 'Jan Bos'

Hyacinthusorientalis

Genus
Hyacinthus (hy-uh-SIN-thus)
Species
orientalis (or-ee-en-TAY-liss)
Synonym
Sun Exposure
Full Sun
Foliage
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
Bloom Color
Rose/Mauve
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 good for cutting
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
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:

Elk Grove, California

GARBERVILLE, California

Los Altos, California

Loveland, Colorado

Algonquin, Illinois

Florence, Mississippi

Piedmont, Missouri

Absecon, New Jersey

North Ridgeville, Ohio

Painesville, Ohio

, Ontario

Norristown, Pennsylvania

Gilmer, Texas

Salt Lake City, Utah

Newport News, Virginia

Kalama, Washington

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Gardener's Notes:

3
positives
1
neutral
0
negative
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N
Algonquin, IL (Zone 5a) | May 2011 | positive

This was my first year growing 'Jan Bos' & I love the super-bright Hot Pink color.

I planted them in front of the house ...Read More

M
Tracy, CA (Zone 9b) | March 2009 | positive

First time trying these. Really nice plant. Mine are a hot magenta pink color. They smell pretty good too!

Z
Painesville, OH (Zone 5b) | July 2007 | neutral

Although this is adverstised as red, you can see from the pics that it is dark pink, NOT red like in the catalogs.

D
West Valley City, UT (Zone 6b) | June 2007 | positive

My Jan Boses struggle a bit because they have to come up through a dense mat of Stachys bizantina (Lamb's Ear), so they don't look as ful...Read More

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