Data specific to Irises (Edit)
Classification: Species
Bloom Color Classification: Violet

General Plant Information (Edit)
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Wet
Wet Mesic
Mesic
Plant Height: 24 - 48 inches
Plant Spread: 12 - 24 inches
Flowers: Showy
Flower Time: Late spring or early summer
Underground structures: Rhizome
Propagation: Seeds: Suitable for wintersowing

Image
Common names
  • Species Iris
  • Southern Blue Flag
  • Iris
  • Eastern Blue Flag
  • Great Blue Flag
Botanical names
  • Accepted: Iris virginica
  • Synonym: Iris virginica var. shrevei

Photo Gallery
Location: in an OKC garden
Date: 2019-05-08
IRIS VIRGINICA
Location: Aberdeen, NC Pages Lake park
Date: April 20, 2023
Blue Flag Iris #146; They're back and beautiful at Pages lake par
Location: in an OKC garden
Date: 2019-05-08
Lavatera cashmeriana
Location: Aberdeen, NC Pages Lake park
Date: May 4, 2022
Blue Flag Iris #146; RAB p. 1183,53-2; AG page 513, 113-1; LHB pa
Location: Aberdeen, NC Pages Lake park
Date: May 4, 2022
Blue Flag Iris #146; RAB p. 1183,53-2; AG page 513, 113-1; LHB pa
Location: IL
Date: 2014-06-02
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2013-06-02
Location: Orangeburg, SC
Date: September 2010
Location: Illinois, US
Date: 2017-05-29
Location: my garden 
Date: 2013-03-31

Giant blue form. Photo courtesy of Iris City Gardens
Location: Aberdeen, NC Pages Lake park
Date: May 3, 2022
Blue Flag Iris #146; RAB p. 1183,53-2; AG page 513, 113-1; LHB pa
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2013-06-02

Photo courtesy of Iris City Gardens
Location: Tampa, FL
Date: 2015-03-01
Location: Tampa, FL
Date: 2015-03-01
Growing inside the butterfly exhibit at the Museum of Science and
Location: My Northeastern Indiana Gardens - Zone 5b
Date: 2013-06-01
Growing in seasonal floodplain.

Photo: David Arbour
Location: Sangamon Co. Il.
Date: 2018-05-24
Location: Sangamon Co. Il.
Date: 2018-05-24

Date: c. 1924
illustration [as Iris carolina] by Mary E. Eaton from 'Addisonia'
Photo by Horntoad
Photo by Horntoad

Courtesy Gardens in the Wood of Grassy Creek
  • Uploaded by vic
This plant is tagged in:
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Plant Events from our members
Horntoad On April 13, 2015 Bloomed
piksihk On April 1, 2018 Bloomed
piksihk On April 1, 2017 Bloomed
CHERYLAWILSON On May 9, 2020 Obtained plant
WebTucker On May 4, 2022 Bloomed
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