Photo by Melody

PlantFiles: Tall Bearded Iris
Iris 'Queen of May'

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Iris (EYE-ris) (Info)
Cultivar: Queen of May
Hybridized by Salter; Year of Registration or Introduction: 1859

» View all varieties of Iris

6 members have or want this plant for trade.

Tall Bearded (TB)

24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

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

Parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Late Midseason (MLa)


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:

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):
Unknown - Tell us

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By mgh
Thumbnail #1 of Iris  by mgh

By Sugarbean1
Thumbnail #2 of Iris  by Sugarbean1

By Joan
Thumbnail #3 of Iris  by Joan

By lzyjo
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Thumbnail #5 of Iris  by lzyjo

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Thumbnail #6 of Iris  by themikesmom

By themikesmom
Thumbnail #7 of Iris  by themikesmom


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive Dave39 On May 9, 2012, Dave39 from Mount Wolf, PA wrote:

A good grower! But the color is more like the photos on the page, not as described in the text description above. Standards a reddish purple veined light purple to brighter violet. Falls light reddish purple, veined brownish red of the lighter outer haft. The beard is fine, sparse, yellow, and orange tipped at the base.

Positive lzyjo On Sep 4, 2010, lzyjo from Thompsons Station, TN (Zone 7a) wrote:

Lovely, old fashioned iris. Easy to grow. Found growing near the front steps when I moved into an old, no, ancient farmhouse. Loves to be cramped. Some of my best bloomers were jammed against the front steps. Blooms only last a few days depending on the heat, but it's a great old fashioned specimen. Blooms between late April and early May in Zone 7.


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

Newfoundland, New Jersey
Concord, North Carolina
Mount Wolf, Pennsylvania
Thompsons Station, Tennessee
Winnsboro, Texas
Reston, Virginia

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