Photo by Melody

PlantFiles: Siberian Iris
Iris sibirica 'Percheron'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: sibirica (sy-BEER-ah-kuh) (Info)
Cultivar: Percheron
Hybridized by Warburton; Year of Registration or Introduction: 1980

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One vendor has this plant for sale.

Siberian (SIB)

24-36 in. (60-90 cm)

15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

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

Sun Exposure:
Full Sun

Parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Midseason (M)


Other details:
Average Water Needs; Water regularly; do not overwater

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:

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 laurief
Thumbnail #1 of Iris sibirica by laurief

By lezro
Thumbnail #2 of Iris sibirica by lezro

By flowerfrenzy
Thumbnail #3 of Iris sibirica by flowerfrenzy

By Lilypon
Thumbnail #4 of Iris sibirica by Lilypon

By Homefire
Thumbnail #5 of Iris sibirica by Homefire

By daylily970
Thumbnail #6 of Iris sibirica by daylily970

Thumbnail #7 of Iris sibirica by EROCTUSE2


1 positive
1 neutral
No negatives

Gardeners' Notes:

Neutral EROCTUSE2 On Apr 1, 2009, EROCTUSE2 from Belleville, MI (Zone 5b) wrote:

Percherons are a French draft horse breed which makes me want to grow this one for the name alone (drafts are an obsession of mine). My assumption is that the name refers to the dappled coat of the grey Percherons.

Positive Homefire On Sep 2, 2007, Homefire from Portsmouth, VA wrote:

This is the best siberian iris in my garden. The flowers are large with good substance and hold their color well. Each flower lasts several days. Highly recommended


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

Shelburne Falls, Massachusetts
Fenton, Michigan
Deer River, Minnesota
Belfield, North Dakota
Coshocton, Ohio
Portsmouth, Virginia
Vancouver, Washington

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