Photo by Melody

PlantFiles: Siberian Iris
Iris sibirica 'Butter and Sugar'

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: sibirica (sy-BEER-ah-kuh) (Info)
Cultivar: Butter and Sugar
Hybridized by McEwen; Year of Registration or Introduction: 1976

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6 vendors have this plant for sale.

18 members have or want this plant for trade.

Class:
Siberian (SIB)

Height:
24-36 in. (60-90 cm)

Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 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)

Sun Exposure:
Full Sun

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Pale Yellow
White/Near White

Bloom Time:
Midseason (M)

Foliage:
Herbaceous
Smooth-Textured

Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

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):
Honorable Mention
Award of Merit
Morgan-Wood Medal (SIB)

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There are a total of 20 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Mainer On Jan 27, 2009, Mainer from Durham, ME (Zone 3a) wrote:

Very hardy and the first amenoea to be hybridized of white and yellow in a siberian type iris.

Neutral Joan On Dec 22, 2005, Joan from Belfield, ND (Zone 4a) wrote:

Awards: American Iris Society Honorable Mention '78, Award of Merit '81, Morgan-Wood Medal '86

Regional...

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

Plainfield, Illinois
Durham, Maine
South China, Maine
Beverly, Massachusetts
Wayland, Massachusetts
Deer River, Minnesota
Elk River, Minnesota
Wyoming, Minnesota
Auburn, New Hampshire
Portsmouth, New Hampshire
Hilton, New York
Concord, North Carolina
Coshocton, Ohio
Lewis Center, Ohio
Mount Hood Parkdale, Oregon
Norristown, Pennsylvania
Pittsburgh, Pennsylvania
Greeneville, Tennessee
Montpelier, Vermont
Portsmouth, Virginia
Madison, Wisconsin
Waterloo, Wisconsin



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