Photo by Melody

PlantFiles: Dutch Iris
Iris x hollandica 'Sapphire Beauty'

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

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Class:
Species

Height:
18-24 in. (45-60 cm)

Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

Hardiness:
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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Bright Yellow
Blue-Violet

Bloom Time:
Late Midseason (MLa)

Foliage:
Herbaceous

Other details:
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:
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

Awards (if applicable):
Unknown - Tell us

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By dicentra63
Thumbnail #1 of Iris x hollandica by dicentra63

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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

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

Also sold as "Iris latifolia." This crazy plant sends up its new foliage in October and November, and the leaf-tips are inevitably damaged by the cold.

I planted them in 2000 and enjoyed them for 5 years; then they stopped blooming, even though some still produce foliage. It might be my clay soil or the lack of nitrogen or potash.

UPDATE: 2010In 2009 and 2010, they came back in one area with a vengeance, probably because of the wet, cool springs.

Regional...

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

Salt Lake City, Utah



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