Photo by Melody

PlantFiles: Tall Bearded Iris
Iris 'Acoma'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Acoma
Hybridized by Magee; Year of Registration or Introduction: 1987

» View all varieties of Iris

11 members have or want this plant for trade.

Tall Bearded (TB)

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:
Light Blue
White/Near White

Bloom Time:
Early (E)


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
Dykes Memorial Medal
John C. Wister Memorial Medal (TB)

Click thumbnail
to view:

By dabobo
Thumbnail #1 of Iris  by dabobo

By carolann
Thumbnail #2 of Iris  by carolann

By Nancymo
Thumbnail #3 of Iris  by Nancymo

By Margiempv
Thumbnail #4 of Iris  by Margiempv

By okus
Thumbnail #5 of Iris  by okus

By mgh
Thumbnail #6 of Iris  by mgh

By laurief
Thumbnail #7 of Iris  by laurief

There are a total of 17 photos.
Click here to view them all!


2 positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral 1913cat On Jan 31, 2010, 1913cat from Robertsville, MO (Zone 5b) wrote:

Dykes Medal 1999 and 2000

Neutral Joan On May 22, 2007, Joan from Belfield, ND (Zone 4a) wrote:

Awards: Honorable Mention 1992; Award of Merit 1994

Positive okus On Apr 27, 2005, okus from (Zone 8b) wrote:

This one is lovely, not too tall at around 24" and hasn't needed staking despite high winds over the last couple of days. Its first bloom opened fully April 27 2005 in Keller Texas. It is growing in partial shade.

Positive kabloom On Jul 7, 2004, kabloom from Alpharetta, GA (Zone 7a) wrote:

Gorgeous blooms for 2 weeks in April with little maintentance. Gets big quickly and I'll probably have to divide it this year. Also wish the blooms lasted longer than 2 weeks.


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

Cottonwood, Arizona
Tucson, Arizona
Yosemite Lakes, California
Alpharetta, Georgia
Blairsville, Georgia
Cedar Rapids, Iowa
Derby, Kansas
Anacoco, Louisiana
Preston, Maryland
Deer River, Minnesota
Robertsville, Missouri
Auburn, New Hampshire
Coshocton, Ohio
Lawton, Oklahoma
Ponca City, Oklahoma
Salem, Oregon (2 reports)
Conway, South Carolina
Sioux Falls, South Dakota
Greeneville, Tennessee
Readyville, Tennessee
Sweetwater, Tennessee
Collinsville, Texas
Keller, Texas
Lewisville, Texas

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