General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Partial or Dappled Shade
Water Preferences: Wet Mesic
Mesic
Minimum cold hardiness: Zone 10a -1.1 °C (30 °F) to +1.7 °C (35 °F)
Maximum recommended zone: Zone 11
Plant Height: 18 to 24 inches
Plant Spread: 18 to 24 inches
Leaves: Evergreen
Flowers: Showy
Flower Color: Blue
White
Other: With recurved bluish-purple segments and brownish yellow markings at base
Flower Time: Spring
Late spring or early summer
Summer
Underground structures: Rhizome
Uses: Groundcover
Resistances: Humidity tolerant
Propagation: Other methods: Division
Stolons and runners
Containers: Needs excellent drainage in pots

Image
Common names
  • Walking Iris
  • North's False Flag
Botanical names
  • Accepted: Trimezia northiana
  • Synonym: Neomarica northiana

Photo Gallery
Location: Greenbank Australia 
Date: 2023-10-12
Location: Guatemala
Date: 2018-12-30
Guatemala
Location: Thomasville, GA USA
Date: 2020-04-09
Growing wild in my garden
Location: Conservatory, Matthaei Botanical Gardens, Ann Arbor
Date: 2014-03-18
Iridaceae: Neomarica northiana - Checkout the long slim green ant
Location: Matthaei Botanical Gardens, Ann Arbor, MI
Date: 2011-03-19
Location: Pennsylvania
Date: 2022-01-18
Neomarica northiana blooming indoors in January
Location: Greenbank Australia 
Date: 2023-11-02
Location: Own photo taken at the Washington State Conservatory in Olympia, Washington, USA
Date: 2007-03-05
Photo courtesy of: Rkitko
Location: Matthaei Botanical Gardens, Ann Arbor, MI
Date: 2011-03-19
Location: Shatin, Hong Kong
Date: 2013-04-06
Photo courtesy of: Earth100

Photo courtesy of: Htm CC BY-SA 4.0-3.0-2.5-2.0-1.0
Location: Own photo taken at the Washington State Conservatory in Olympia, Washington, USA
Date: 2007-03-05
Photo courtesy of: Ryan D. Kitko
Location: Apostle Plant, an old plant
Date: 2007-12-01
Photo courtesy of: Htm

Date: 2013-01-06
Photo courtesy of: Earth100
Discussion Threads about this plant
Thread Title Last Reply Replies
Great first photo submission by arctangent Nov 19, 2020 5:21 PM 0

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