Photo by Melody

PlantFiles: Intermediate Bearded Iris
Iris 'Concertina'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Concertina
Hybridized by Sutton; Year of Registration or Introduction: 1999

» View all varieties of Iris

2 vendors have this plant for sale.

19 members have or want this plant for trade.

View this plant in a garden

Intermediate Bearded (IB)

24-36 in. (60-90 cm)

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

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

Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Bloom Time:
Early midseason (EM)
Reblooming (Re)


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:

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

Click thumbnail
to view:

By rshadlow
Thumbnail #1 of Iris  by rshadlow

By doss
Thumbnail #2 of Iris  by doss

By doss
Thumbnail #3 of Iris  by doss

By laurief
Thumbnail #4 of Iris  by laurief

By mgh
Thumbnail #5 of Iris  by mgh

By laurief
Thumbnail #6 of Iris  by laurief

By Terri1948
Thumbnail #7 of Iris  by Terri1948

There are a total of 21 photos.
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive joannacay On May 11, 2010, joannacay from McLean, VA (Zone 6b) wrote:

This plant increases rapidly and blooms enthusiastically. It was one of the first to bloom in the garden and is still going strong. It has been producing four new fans from each rhizome each year.

Neutral Joan On Mar 25, 2006, Joan from Belfield, ND (Zone 4a) wrote:

American Iris Society Awards: Honorable Mention 2002; Award of Merit 2006; Hans and Jacob Sass Medal Runner Up 2009

Positive doss On Apr 23, 2005, doss from Stanford, CA (Zone 9b) wrote:

This Iris is a very prolific bloomer. Strong stalks, good substance and good bloom size for an intermediate. Reblooms in my zone 9 garden. Highly recommended.


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

Redwood City, California
Stanford, California
Boise, Idaho
Macy, Indiana
Iowa City, Iowa
Derby, Kansas
Oskaloosa, Kansas
Anacoco, Louisiana
Hagerstown, Maryland
Deer River, Minnesota
Robertsville, Missouri
Cut Bank, Montana
Shepherd, Montana
Keansburg, New Jersey
Salem, New Jersey
Coshocton, Ohio
Albany, Oregon
Philadelphia, Pennsylvania
Columbia, South Carolina
Greeneville, Tennessee
Portsmouth, Virginia
The Plains, Virginia
Tomah, Wisconsin

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