Tall Bearded Iris
Iris 'Crowned Heads'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Crowned Heads
Hybridized by Keppel
Registered or introduced: 1996
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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)

Sun Exposure:

Full Sun

Danger:

Parts of plant are poisonous if ingested

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Light Blue

Blue-Violet

Bloom Time:

Midseason (M)

Foliage:

Herbaceous

Other details:

Flowers are fragrant

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:

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

Dykes Memorial Medal

John C. Wister Memorial Medal (TB)

Regional

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

Macy, Indiana

Anacoco, Louisiana

Durham, Maine

Hagerstown, Maryland

Robertsville, Missouri

Beatrice, Nebraska

Los Alamos, New Mexico

Santa Teresa, New Mexico

Grants Pass, Oregon

Myrtle Beach, South Carolina

Greeneville, Tennessee

Lewisville, Texas

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Gardeners' Notes:

2
positives
3
neutrals
0
negatives
RatingContent
Positive

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

Suvived a Maine winter and bloomed this Spring. Lovely and blooms quite a long time.

Positive

On Aug 15, 2008, KSBaptisia from Beatrice, NE (Zone 5b) wrote:

Beautiful iris. Slow, but steady, grower for me.

Neutral

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

Awards: American Iris Society Honorable Mention 1999; Award of Merit 2001; John C. Wister Medal 2003; Dykes Medal 2004

Neutral

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

This fragrant, mid-season Iris was awarded the American Iris Society
HM '99; AM '01

Neutral

On Nov 22, 2003, Margiempv from Oro Valley, AZ (Zone 9a) wrote:

Lovely iris - - but I just couldn't get it to grow here in the Arizona desert.