Photo by Melody

PlantFiles: Tall Bearded Iris
Iris 'William A. Setchell'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: William A. Setchell
Hybridized by Brehm; Year of Registration or Introduction: 1938

» View all varieties of Iris

6 members have or want this plant for trade.

Tall Bearded (TB)


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

Bloom Color:

Bloom Time:
Late Midseason (MLa)


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:
Unknown - Tell us

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

Click thumbnail
to view:

By Wandasflowers
Thumbnail #1 of Iris  by Wandasflowers

By txgimgim
Thumbnail #2 of Iris  by txgimgim

By Iriser
Thumbnail #3 of Iris  by Iriser

By sjlfinne
Thumbnail #4 of Iris  by sjlfinne

By webbiecarroll
Thumbnail #5 of Iris  by webbiecarroll

By themikesmom
Thumbnail #6 of Iris  by themikesmom

By themikesmom
Thumbnail #7 of Iris  by themikesmom


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive themikesmom On Oct 18, 2011, themikesmom from Concord, NC wrote:

William A. Setchell [Dolly Madison x Purissima] Brehm, 1938 Historic TB 36" scapes ML bloomtime. Giant Gargantuan, and Mammoth is what describes this Violet-Blue Self iris, with heavy branched stems. Very similar to 'Lent A. Williamson', not as tall of scapes, and larger, huge blooms. Some people do not like its billowy, flowing form, and they claim it lacks rigidity and substance, I however, thinks it adds to its striking and vivid color, on it's lovely, haunting and flowing, giant blooms.


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

Cornville, Arizona
San Jose, California
Durham, Maine
Cicero, New York
Concord, North Carolina
Arlington, Texas
Austin, Texas
Midland, Texas
Plano, Texas
Whitesboro, Texas
Winnsboro, Texas

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