Photo by Melody

PlantFiles: Dutch Hyacinth
Hyacinthus orientalis 'Delft Blue'

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

4 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 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)

Sun Exposure:
Full Sun

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

Bloom Color:
Medium Blue

Bloom Time:
Mid Spring


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

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

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By ladyrowan
Thumbnail #1 of Hyacinthus orientalis by ladyrowan

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There are a total of 14 photos.
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4 positives
1 neutral
No negatives

Gardeners' Notes:

Positive eolivas103 On Feb 27, 2014, eolivas103 from Las Cruces, NM (Zone 8a) wrote:

These have now come up the 2nd year for me and many multiplied. Blue/Purple mix of color is very pretty.

Neutral Sunny_Crimea On Mar 2, 2010, Sunny_Crimea from Simferopol
Ukraine wrote:

Hybridized by J.W.A. Lefeber, 1944

Positive WaterCan2 On Apr 22, 2007, WaterCan2 from Eastern Long Island, NY (Zone 7a) wrote:

I inherited two of these from the previous owners of my house, They suffered neglect & bad placement but survived. I transplanted them immediately and they have taken some harsh winters and still come up better every time. These are real troopers and a definite indicator of spring in my region (NE). Did I mention they were amazingly fragrant also!

Positive Wvdaisy On Apr 1, 2007, Wvdaisy from Buffalo, WV (Zone 7a) wrote:

Fabulous color and scent! These were the second Hyacinth cultivar to bloom for me after H. Snow Crystal. They started blooming the second or third week in March here in zone 7a. They are in a very wet spot but looks like all bulbs bloomed no problem.

Positive orange_knickers On Apr 22, 2005, orange_knickers from Portland, OR (Zone 8b) wrote:

VERY fragrant! I didn't have full blooms, but that can be based on a number of factors. Just a great blue color that intoxicates the senses!


This plant has been said to grow in the following regions:

Garberville, California
Los Altos, California
Loveland, Colorado
Macy, Indiana
Hastings, Minnesota
Florence, Mississippi
Piedmont, Missouri
Las Cruces, New Mexico
Coshocton, Ohio
, Ontario
Grants Pass, Oregon
Aberdeen, South Dakota
Salt Lake City, Utah
Leesburg, Virginia
Buffalo, West Virginia
Liberty, West Virginia

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