Photo by Melody

PlantFiles: Dutch Iris
Iris x hollandica 'Oriental Beauty'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: x hollandica (hol-LAN-dee-kuh) (Info)
Cultivar: Oriental Beauty

» View all varieties of Iris

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2 members have or want this plant for trade.


18-24 in. (45-60 cm)

3-6 in. (7-15 cm)

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)

Sun Exposure:
Full Sun
Sun to Partial Shade

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

Bloom Color:
Bright Yellow

Bloom Time:
Midseason (M)
Late Midseason (MLa)


Other details:
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:
Allow pods to dry on plant; break open to collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Awards (if applicable):
Unknown - Tell us

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By htop
Thumbnail #1 of Iris x hollandica by htop

By philomel
Thumbnail #2 of Iris x hollandica by philomel

By philomel
Thumbnail #3 of Iris x hollandica by philomel

By htop
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By wagnerska
Thumbnail #6 of Iris x hollandica by wagnerska

By sueroderus
Thumbnail #7 of Iris x hollandica by sueroderus


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive sueroderus On May 25, 2011, sueroderus from Bluffton, SC wrote:

These were the first bulbs that I planted in my zone 8b garden. Being from a more northern state, I planted them in October only to have them start coming up in December. By the end of January they had turned brown and I thought I had lost them all. The following year they adapted and have been beautiful for 2 years. I have since planted other spring flowering bulbs in December with good success.

Positive philomel On Oct 7, 2004, philomel from Castelnau RB Pyrenes
France (Zone 8a) wrote:

Plant the bulbs as early as you can to allow them to form a good root system before the spring.
They are excellent in pots and other containers


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

Cotati, California
Dallas, Georgia
Plainfield, Illinois
Florence, Mississippi
Stanley, North Carolina
Dayton, Ohio
Haviland, Ohio
San Antonio, Texas

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