Tall Bearded Iris 'Decadence'

Iris

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Synonym
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)
Sun Exposure
Full Sun
Danger
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Fuchsia (red-purple)
Gold (yellow-orange)
Foliage
Herbaceous
Class
Tall Bearded (TB)
Bloom Time
Midseason (M)
Other Details
Other details
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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
Awards (if applicable)
Honorable Mention
Award of Merit
Walther Cup
Foliage Color
Bloom Characteristics
Water Requirements
Average Water Needs; Water regularly; do not overwater
Where to Grow
Regional

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

Phoenix, Arizona

Bakersfield, California

San Jose, California

Monroe, Connecticut

Gainesville, Georgia

Hebron, Kentucky

Durham, Maine

Revere, Massachusetts

Chelsea, Michigan

Clawson, Michigan

Saint Paul, Minnesota

Robertsville, Missouri

South Sioux City, Nebraska

Salem, New Jersey

Oklahoma City, Oklahoma

Grants Pass, Oregon

Myrtle Beach, South Carolina

Greeneville, Tennessee

Winnsboro, Texas

Pleasant Grove, Utah

show all

Featured Videos

Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
Sort By:
R
Clawson, MI | June 2013 | positive

Decadence is one of the most celebrated iris of the last twenty years or so and for good reason. Big beautiful flowers, strong stalks and...Read More

R
R
| June 2011 | neutral

AIS John C. Wister Memorial Medal 2010

M
Myrtle Beach, SC | April 2009 | positive

I cannot speak for other areas within Zone 8, but here in coastal SC (north coastal), this flower is an excellent grower, very good incre...Read More

J
J
Belfield, ND (Zone 4a) | July 2006 | neutral

American Iris Society Awards: Honorable Mention 2006; Walther Cup 2006, Award of Merit 2008

Featured
Species Orchid
(Chiloglottis reflexa)
Christmas Beetle
(Anoplognathus porosus)
Snow Bunting
(Plectrophenax nivalis)
Featured
Species Orchid
(Chiloglottis reflexa)
Christmas Beetle
(Anoplognathus porosus)
Snow Bunting
(Plectrophenax nivalis)