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PlantFiles: Tall Bearded Iris
Iris 'Unforgettable Fire'

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Unforgettable Fire
Hybridized by Schreiner; Year of Registration or Introduction: 1991

» 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)

Sun Exposure:
Full Sun

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Red
Gold (Yellow-Orange)

Bloom Time:
Early midseason (EM)
Midseason (M)
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:
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

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By jfrizzell
Thumbnail #1 of Iris  by jfrizzell

By Wandasflowers
Thumbnail #2 of Iris  by Wandasflowers

By carolann
Thumbnail #3 of Iris  by carolann

By cathysplants
Thumbnail #4 of Iris  by cathysplants

By Wandasflowers
Thumbnail #5 of Iris  by Wandasflowers

By sjlfinne
Thumbnail #6 of Iris  by sjlfinne

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Joan On Nov 19, 2006, Joan from Belfield, ND (Zone 4a) wrote:

Awards: Honorable Mention 1993, Award of Merit 1997

Regional...

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

Cedar Rapids, Iowa
Auburn, New Hampshire
Lawton, Oklahoma
Readyville, Tennessee



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