General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Partial Shade to Full Shade
Water Preferences: In Water
Wet
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Maximum recommended zone: Zone 6b
Plant Height: 6 to 12 inches (15-30cm)
Plant Spread: 6 to 12 inches (15-30cm)
Fruit: Showy
Other: Berries red when ripe.
Flowers: Showy
Flower Color: Other: Spathe white, spadix yellow.
Bloom Size: 3"-4"
Flower Time: Late spring or early summer
Underground structures: Rhizome
Suitable Locations: Bog gardening
Uses: Water gardens
Resistances: Rabbit Resistant
Toxicity: Other: All parts of plant contain calcium oxalate crystals, an irritant to the mouth and esophagus. Toxic to cats and dogs.
Propagation: Seeds: Other info: Remove seed from berry which contains chemicals that inhibit germination.
Propagation: Other methods: Division
Pollinators: Flies
Miscellaneous: Goes Dormant

Image
Common names
  • Bog Arum
  • Marsh Calla
  • Water Calla
  • Water Arum
  • Water Dragon

Photo Gallery
Location: DuPage Lake Peatlands, Wisconsin
Date: 0611/2016
photo by Joshua Mayer via Flickr: https://www.flickr.com/photos/w
Location: Ward Reservation, Massachusetts.

Date: 2004-06-20
Photo courtesy of: Superior National Forest

Date: 2013-08-28
Photo courtesy of: Hajotthu

Date: 2008-05-10
Photo courtesy of: Aiwok

photo credit: H. Zell

photo credit: H. Zell
Location: Stribrna Hut, Tabor District, Czech Republic 49° 25′ 01.73″ N, 14° 45′ 23.81″ E
Date: 2011-07-16
Photo courtesy of: Chmee2
Location: "Southern Heath Nature Park", Germany
Date: 2013-08-28
Photo courtesy of: Hajotthu

Prof. Dr. Otto Wilhelm Thomé Flora von Deutschland, Osterreich u

photo credit: H. Zell

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