General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: In Water
Minimum cold hardiness: Zone 4a -34.4 °C (-30 °F) to -31.7 °C (-25 °F)
Maximum recommended zone: Zone 11
Plant Height: to 3 feet
Fruit: Dehiscent
Other: Small, dry capsules
Flowers: Showy
Flower Color: Bi-Color: White with purple streaks
Bloom Size: Under 1"
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Underground structures: Rhizome
Suitable Locations: Bog gardening
Uses: Water gardens
Will Naturalize
Wildlife Attractant: Bees
Butterflies
Hummingbirds
Resistances: Deer Resistant
Pollinators: Bumblebees
Bees

Image
Common names
  • American Water-Willow
  • Water-Willow
Botanical names
  • Accepted: Justicia americana
  • Synonym: Dianthera americana

Photo Gallery
Location: Barson's Greenhouse, Westland, MI
Date: 2010-07-01
Location: Barson's Greenhouse, Westland, MI
Date: 2010-07-01
Uploaded by sedumzz
Location: Sumerton, NC
Date: 06/20/20
In High Rock Lake at the water's edge. I love the delicate little
Location: Summerton, SC
Date: 2020-07-24
Water willow forms large groups on Santee Cooper lake.
Uploaded by sedumzz
Location: My Yard, growing in pond.
Date: 2017-07-14
Location: Barson's Greenhouse, Westland, MI
Date: 2010-09-04
Location: Tennessee
Darrel Hess /  http://bioimages.vanderbilt.edu/hessd/e5242
Location: Barson's Greenhouse, Westland, MI
Date: 2010-07-01
Location: Dearborn Heights, MI
Date: 2017-07-14
My Yard, growing in pond.
Location: Barson's Greenhouse, Westland, MI
Date: 2010-09-04
Location: Tennessee
Darrel Hess /  http://bioimages.vanderbilt.edu/hessd/e5242
Uploaded by gardengus
Location: Delaware county, OH
Date: 2013-06-19
Location: Tennessee
Date: 2004-07-21
Darrel Hess /  http://bioimages.vanderbilt.edu/hessd/e5242
Location: Tennessee
Date: 2004-07-21
Darrel Hess /  http://bioimages.vanderbilt.edu/hessd/e5242
Uploaded by gardengus
Location: Mississippi
Date: 2013-06-27
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