Tall Bearded Iris 'Helen Collingwood'

Iris

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Iris (EYE-ris)
Synonym
Spacing
36-48 in. (90-120 cm)
Hardiness
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Sun Exposure
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)
Danger
Full Sun
Bloom Color
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Foliage
Lavender
Medium Purple
Class
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Time
Other Details
Other details
Propagation Methods
Herbaceous
Seed Collecting
Soil pH requirements
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Allow cut surface to callous over before planting
Patent Information
Awards (if applicable)
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

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

Crossett, Arkansas

Ellendale, Delaware

Oskaloosa, Kansas

Wichita, Kansas

Durham, Maine

Preston, Maryland

South Lyon, Michigan

Deer River, Minnesota

Tupelo, Mississippi

Robertsville, Missouri

Croton On Hudson, New York

Elba, New York

Concord, North Carolina

Lawton, Oklahoma

Greeneville, Tennessee

Gainesville, Texas

Marshall, Texas

Portsmouth, Virginia

Madison, Wisconsin

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Featured Videos

Gardener's Notes:

5
positives
1
neutral
0
negative
Sort By:
Sort By:
T
Concord, NC | October 2011 | positive

Helen Collingwood [Extravaganza x Louise Blake] 1949 TB 40" scapes ML Season Bloomtime. Beautiful Dark Violet Purple Falls under the Pale...Read More

1
Robertsville, MO (Zone 5b) | February 2010 | neutral

HM 1950

D
Elba, NY (Zone 6a) | July 2009 | positive

This is a tough girl! It is one of the survivors who was left unattended in a pallet of sand at my old home site when my house was liter...Read More

S
Wichita, KS (Zone 6a) | May 2009 | positive

Award of Merit, 1952.
The 1976 Schreiner's catalog, pages 26 & 68, describes this as a vivid bicolor with light lavender standards...Read More

H
Portsmouth, VA | September 2007 | positive

38" M
Well, this is where it all started for me. My father grew only 2 variaties of irises and this was one of them. It was the ...Read More

V
Tupelo, MS | May 2007 | positive

This tried and true iris has great increase and blooms every year, regardless of the weather.

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