Photo by Melody

PlantFiles: Dutch Hyacinth
Hyacinthus orientalis 'Jan Bos'

Family: Hyacinthaceae
Genus: Hyacinthus (hy-uh-SIN-thus) (Info)
Species: orientalis (or-ee-en-TAY-liss) (Info)
Cultivar: Jan Bos

6 vendors have this plant for sale.

11 members have or want this plant for trade.


6-12 in. (15-30 cm)

6-9 in. (15-22 cm)

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)

Sun Exposure:
Full Sun

All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Bloom Time:
Mid Spring


Other details:
Flowers are fragrant
This plant is suitable for growing indoors
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

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)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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By Toxicodendron
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By dicentra63
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By micquie
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By micquie
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By micquie
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There are a total of 9 photos.
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3 positives
1 neutral
No negatives

Gardeners' Notes:

Positive nutsaboutnature On May 22, 2011, nutsaboutnature from Algonquin, IL (Zone 5a) wrote:

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

I planted them in front of the house at the foundation where we have shrubs & even though they aren't huge, they were so bright (almost fluorescent) that they caught your eye all the way at the street!.

I am going to plant more of them this Autumn.

Positive montsho On Mar 14, 2009, montsho from Tracy, CA (Zone 9b) wrote:

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

Neutral zone5girl On Jul 11, 2007, zone5girl from Painesville, OH (Zone 5b) wrote:

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

Positive dicentra63 On Jun 23, 2007, dicentra63 from West Valley City, UT (Zone 6b) wrote:

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 full as their neighbors.


This plant has been said to grow 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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