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Siberian Iris
Iris sibirica 'Uncorked'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Species: sibirica (sy-BEER-ah-kuh) (Info)
Cultivar: Uncorked
Hybridized by Schafer/Sacks
Registered or introduced: 2002
» View all varieties of Iris

Class:

Siberian (SIB)

Height:

24-36 in. (60-90 cm)

Spacing:

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)

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

Sun Exposure:

Sun to Partial Shade

Danger:

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Pale Yellow

Light Blue

Violet/Lavender

Bloom Time:

Early (E)

Foliage:

Herbaceous

Blue-Green

Veined

Other details:

Average Water Needs; Water regularly; do not overwater

This plant is resistant to deer

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:

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

Regional

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

Carlisle, Massachusetts

Galesburg, Michigan

Coshocton, Ohio

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On Jan 22, 2015, coriaceous from ROSLINDALE, MA wrote:

The breeders, Marty Schafer and Jan Sacks, have written:

"Not on the color wheel. Falls are yellow overlaid with blue and have large, round deep yellow signals. Standards are paler blue over yellow. Pale blue styles have yellow tips. Depending on conditions, flowers open in a range of tones.

"The vigorous clump has smallish flowers, four blooms per stalk and produces many stalks."

25" tall.

Schafer-Sacks irises have won many awards, including 7 of the last 9 Morgan-Woods Medals, the highest award given to a Siberian iris by the American Iris Society.

Neutral

On Aug 6, 2007, Joan from Belfield, ND (Zone 4a) wrote:

Awards: Honorable Mention 2005; Award of Merit 2009