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Intermediate Bearded Iris
Iris 'Gnu Rayz'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Gnu Rayz
Hybridized by Kasperek
Registered or introduced: 1996
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Class:

Intermediate Bearded (IB)

Height:

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

Spacing:

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

18-24 in. (45-60 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)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Full Sun

Danger:

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Chartreuse (Yellow-Green)

Blue-Violet

Violet/Lavender

Bloom Time:

Midseason (M)

Foliage:

Herbaceous

Other details:

This plant is attractive to bees, butterflies and/or birds

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:

Non-patented

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):

Honorable Mention

Award of Merit

Hans and Jacob Sass Medal (IB)

Regional

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

Tucson, Arizona

Yosemite Lakes, California

Cedar Rapids, Iowa

Iowa City, Iowa

Cherryvale, Kansas

Oskaloosa, Kansas

Salvisa, Kentucky

Deer River, Minnesota

Shepherd, Montana

South Sioux City, Nebraska

Los Alamos, New Mexico

Belfield, North Dakota

Coshocton, Ohio

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Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On May 14, 2008, pajaritomt from Los Alamos, NM (Zone 5a) wrote:

Blooming with several blooms its first year in my yard, Gnu Rayz is growing very nicely and it seems to thrive on lack of care. Very attractive as well. It is the earliest of my IB's this year.

Neutral

On Sep 16, 2005, Joan from Belfield, ND (Zone 4a) wrote:

Awards: American Iris Society Honorable Mention 1999, Award of Merit 2001 & 2002, Hans and Jacob Sass Medal 2004