Tall Bearded Iris 'Clarence'


Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Clarence
Hybridized by Zurbrigg
Registered or introduced: 1990
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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:


White/Near White

Bloom Time:

Midseason (M)

Reblooming (Re)



Other details:

Unknown - Tell us

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

John C. Wister Memorial Medal (TB)

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us


This plant is said to grow outdoors in the following regions:

Phoenix, Arizona

Tucson, Arizona

Prescott, Arkansas

COARSEGOLD, California

Pittsburg, California

Vista, California(9 reports)

Yosemite Lakes, California

Denver, Colorado

Yulee, Florida

Carrollton, Georgia

Rock Falls, Illinois

Fort Wayne, Indiana

Cedar Rapids, Iowa

Iowa City, Iowa

Mc Gregor, Iowa

Oskaloosa, Kansas

Shawnee Mission, Kansas

Anacoco, Louisiana

Durham, Maine

South China, Maine

Hagerstown, Maryland

Preston, Maryland

Waldorf, Maryland

Belleville, Michigan

Blanchard, Michigan

Jenison, Michigan

Deer River, Minnesota

Florence, Mississippi

Madison, Mississippi

Tupelo, Mississippi(2 reports)

Richmond, Missouri

Weatherby, Missouri

Shepherd, Montana

Union, New Jersey

Las Cruces, New Mexico

Roswell, New Mexico

Santa Teresa, New Mexico

Concord, North Carolina

Statesville, North Carolina

Lawton, Oklahoma

Beaver Falls, Pennsylvania

Mechanicsburg, Pennsylvania

Sarver, Pennsylvania

West Chester, Pennsylvania

Conway, South Carolina

Myrtle Beach, South Carolina

Rapid City, South Dakota

Clarksville, Tennessee

Greeneville, Tennessee

Readyville, Tennessee

Chantilly, Virginia

Portsmouth, Virginia

Madison, Wisconsin

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Gardeners' Notes:


On Dec 29, 2013, eolivas103 from Las Cruces, NM (Zone 8a) wrote:

This is my best rebloomer. It blooms from March through November for me. And it even tries to bloom in December but the buds usually freeze. In addition, with all that blooming, it never looks spent. The other thing I really enjoy about Clarence, is how it glows in the sunlight. Sometimes, it is exciting to have an Iris that blooms only once a year because you forget how pretty it is from year to year and when it blooms, it is like having a brand new Iris. However, it is also nice to have Irises that rebloom because it keeps the yard looking pretty. This is one of my favorite irises mainly because of it's eagerness to please (bloom).


On Mar 2, 2012, LauraSteele from Fort Wayne, IN wrote:

I love this iris. It reminds me of clouds reflected in a clear blue lake in the summer. I moved and divided it in March of 2010 (I know, too early but no choice). Still got a couple of blooms that May. Bloomed like mad the next year and multiplied nicely. If anyone would like a rhizome, please email me at [email protected]. I have a couple to share!


On Aug 27, 2010, liliesandme from Statesville, NC wrote:

A vigorous, tough and beautiful plant! The scent is interesting. I call it a 'soapy' scent; that's the best way I can describe it. I can't wait to see them bloom next spring. They would've rebloomed for us here in NC (the buds were forming), but they had to be split. I shouldn't have waited until August, but I think they'll forgive me.


On May 7, 2010, Mrs_Ed from Whiteside County, IL (Zone 5a) wrote:

Love, Love, Love this flower. Very hardy for me, fall bloom the year after I planted it and a huge spring bloom year two.


On Apr 26, 2010, delft13 from Waldorf, MD wrote:

I received this iris while trying to get some solid blue varieties, so I wasn't that happy with it at first, but this Iris is amazing! Blooms mid-April in Maryland, multiplies like mad, the blooms are large and perfect; moving it doesn't seem to faze it. Plants are strong and sturdy.


On May 13, 2009, Chere from Oakhurst, CA wrote:

I planted it in September 08 and it bloomed in May 09 here in California mountains. I will let you now if it reblooms for me.


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

A beautiful luminata that blooms a long time and is very vigorous in my zone.


On Sep 27, 2006, docturf from Conway, SC (Zone 8b) wrote:

Planted October 10, 2005; bloomed September 21, 2006 !!
It has multiplied rapidly (from a single "fan" to 4 "fans" as of this posting) and there are a total of 9 flower buds. This has proved to be an outstanding cultivar for me (coastal South Carolina). Docturf. Update (1-19-09) Clarence bloomed four (4) times in 2008 and of this date hast set 5 new buds. Unfortunately, we experienced a low of 24 degrees 3 days ago and the buds aborted.


On Oct 18, 2005, Joan from Belfield, ND (Zone 4a) wrote:

American Iris Society Awards: Honorable Mention 1995; Award of Merit 1997; John C. Wister Medal 2000


On Oct 16, 2005, MikenMyrtle from Myrtle Beach, SC wrote:

First year plant here. Did not bloom in the spring but did bloom in the fall from late September through mid-October. Pretty, colorful flowers.


On Sep 25, 2005, Wandasflowers from Cedar Rapids, IA (Zone 5a) wrote:

Showy with crepe petals & waterspotted effect! breeder: Zubrigg1990


On Jun 20, 2005, Elizabethtown from Hagerstown, MD (Zone 6a) wrote:

Clarence had a bad first year bloom. His S. & F. appeared to have blisters on the edges. Smell was ok wouldn't say its a heavy fragrance. I can see though that this is one that will rebloom here and that makes it a keeper inspite of the blistered effect.


On May 24, 2005, linjasar from Upper Saint Clair, PA (Zone 6a) wrote:

This is the first Iris to bloom each year, and the most likely rebloomer w/o extra effort. Large and showy, it stands out among all the others across the yard.


On Mar 14, 2005, doss from Stanford, CA (Zone 9b) wrote:

Tall Bearded Iris Clarence is a fragrant rebloomer that won the following awards: HM '95; AM '97; Wister '00.


On Dec 2, 2004, Margiempv from Oro Valley, AZ (Zone 9a) wrote:

Reblooms, eye catching!!