Tall Bearded Iris
Iris 'Diabolique'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Diabolique
Hybridized by Schreiner
Registered or introduced: 1997
» View all varieties of Iris

Class:

Tall Bearded (TB)

Height:

36-48 in. (90-120 cm)

Spacing:

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

18-24 in. (45-60 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)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Danger:

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Purple

Bloom Time:

Late Midseason (MLa)

Foliage:

Herbaceous

Blue-Green

Smooth-Textured

Veined

Other details:

Flowers are fragrant

Average Water Needs; Water regularly; do not overwater

This plant is resistant to deer

Flowers are good for cutting

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:

Non-patented

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

Walther Cup

John C. Wister Memorial Medal (TB)

Regional

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

Tucson, Arizona

Aptos, California

Anacoco, Louisiana

Salem, New Jersey

Los Alamos, New Mexico

Lawton, Oklahoma

Myrtle Beach, South Carolina

Greeneville, Tennessee

Portsmouth, Virginia

show all

Gardeners' Notes:

1
positive
2
neutrals
0
negatives
RatingContent
Neutral

On Feb 20, 2009, MikenMyrtle from Myrtle Beach, SC wrote:

Beautiful, deep purple color, Diabolique's falls were extremely flared. A little slow to grow here, but this could have been the spot in the garden where it was located. Very strong stalks.

Neutral

On Mar 19, 2006, Joan from Belfield, ND (Zone 4a) wrote:

Awards: American Iris Society Honorable Mention 1999; Walther Cup 1999; Award of Merit 2001; John C. Wister Medal 2003

Positive

On Dec 29, 2004, Margiempv from Oro Valley, AZ (Zone 9a) wrote:

Very good grower. It looks spectacular in bloom!! Nice form too.