General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: In Water
Wet
Wet Mesic
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 11
Plant Height: 6 - 12 inches
Plant Spread: 6 - 12 inches
Leaves: Unusual foliage color
Semi-evergreen
Fragrant
Variegated
Flowers: Inconspicuous
Flower Color: Green
Other: Greenish yellow
Bloom Size: Under 1"
Flower Time: Summer
Underground structures: Rhizome
Suitable Locations: Bog gardening
Uses: Erosion control
Groundcover
Water gardens
Will Naturalize
Resistances: Deer Resistant
Flood Resistant
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger

Image
Common names
  • Japanese Sweet Flag
  • Sweet Flag
  • Japanese Rush
  • Grassy-Leaved Sweet Flag
Also sold as:
  • Ōgon
  • Graceful Grasses® Ogon

Photo Gallery
Location: Home
Location: Temple, Texas
Date: 2021-04-25
Plan to carry down to rural cabin property to plant in ground.
Location: Northwest N.J.
Date: 2019-08-31
Location: Cedarhome, Washington
Date: 2016-06-10

Date: 2021-09-04

Date: 2021-09-04
Location: Pleasant Grove, Utah
Date: 2012-03-23
Location: Temple, Texas
Date: 2021-04-04
First year specimen in full shade most of day.

Photo courtesy of Proven Winners
  • Uploaded by Joy
Location: Coastal San Diego County 
Date: 2017-02-18
Location: Clinton, Michigan 49236
Date: 2017-10-28
Acorus gramineus 'Ogon', 2016, Variegated Sweet Flag, uh-KORE-us
Location: Clinton, Michigan 49236
Date: 2017-10-28
Acorus gramineus 'Ogon', 2016, Variegated Sweet Flag, uh-KORE-us

Date: 2002-10-09
Image Courtesy of Bloomin Designs Nursery Used with Permission
  • Uploaded by vic

Photo Courtesy of Secret Garden Growers.
  • Uploaded by Joy

Credit florum

Credit florum

Credit florum

Photo Courtesy of Lazy S'S Farm Nursery.
  • Uploaded by Joy
Location: My garden in N E Pa. 
Date: 2015-12-31
Location: Heighleygate garden centre, Northumberland UK
Date: 2009-01-31

Date: 2015-02-20
Leaves stay golden and spotless all winter.

Photo courtesy of Santa Rosa Gardens. Used with permission.
Location: Heighleygate garden centre, Northumberland UK
Date: 2009-01-31
This plant is tagged in:
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Plant Events from our members
SuperHappyCamper On June 7, 2023 Obtained plant
Purchased from Pikes Nursery.
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