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Alisma subcordatum

American water plantain add to wishlist

Alisma subcordatum (American water plantain)
  • Alisma subcordatum (American water plantain)
  • Alisma subcordatum (American water plantain)
  • Alisma subcordatum (American water plantain)

Alisma subcordatum

Also known as:

American water plantain

,

Plant types and subtypes:
Perennials

Light Requirements: sun

Water Use: high

Soil Moisture: wet

Soil Description: rich, loam, clay, sand

Height: 3'-4'

Bloom Time: June, July, August, September, October

Bloom Color: white, pink

Leaf Color: green

Hardiness Zone: 3, 4, 5, 6, 7, 8

Native Range: AL, AR, AZ, CA, CO, CT, DC, DE, GA, IA, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV

Additional Tags: bog plant, colonizing, edible, emergent, naturalizing, pond margin plant, stream margin plant, swamp plant, water garden plant, wetland plant

Description

Alisma subcordatum has bright-green, lance-shaped, veined basal leaves that grow on 6" stalks. Plants produce an erect, 3' to 4' tall multi-branched stem. Each branchlet is terminated by a small white or pinkish flower.

Cultivation

American water plantain is an emergent species, meaning it requires regular to permanent inundation to thrive. It typically grows in standing or slow moving freshwater, in mucky, sometimes sandy soil, and in full sun. It will slowly form a colony via its corm-like roots. It will also spread from seeds, but only under ideal conditions. An ideal plant for small ponds or water gardens where its non aggressive habit will make virtually carefree. It enjoys a broad native distribution, and bloom times will vary according to geographic location, from June to October. Zones 3-8

Propagation

Easy to propagated by dividing the clumps and separating the corms. Can be propagated from seed following strict protocols...a much more difficult proposition.

Additional Notes

The tuberous, corm-like starchy roots are edible.

Alisma subcordatum

Also known as:

American water plantain

,

Recorded County Distribution: USDA data

Native Range:
AL, AR, AZ, CA, CO, CT, DC, DE, GA, IA, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, VA, VT, WI, WV

USDA Endangered Status:

Classification

Kingdom Plantae Plants
Subkingdom Tracheobionta Vascular plants
Superdivision Spermatophyta Seed plants
Division Magnoliophyta Flowering plants
Class Liliopsida Monocotyledons
Subclass
Order Alismatales
Family Alismataceae Water-plantain family
Genus Alisma water plantain
Species Alisma subcordatum American water plantain

Alisma subcordatum

Also known as:

American water plantain

,