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
Registered or introduced: 1938
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Class:

Tall Bearded (TB)

Height:

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing:

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

Hardiness:

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

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Blue-Violet

Violet/Lavender

Bloom Time:

Late Midseason (MLa)

Foliage:

Herbaceous

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

Regional

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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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Oct 18, 2011, themikesmom 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.