Photo by Melody

PlantFiles: Water Plantain
Alisma plantago-aquatica

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Family: Alismataceae
Genus: Alisma (uh-LISS-muh) (Info)
Species: plantago-aquatica (plan-TA-go a-KWA-tee-kuh) (Info)

One member has or wants this plant for trade.

Category:
Perennials
Ponds and Aquatics

Height:
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Partial to Full Shade

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Mid Summer

Foliage:
Deciduous
Silver/Gray

Other details:
Requires consistently moist soil; do not let dry out between waterings
Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive melody On Feb 11, 2005, melody from Benton, KY (Zone 7a) wrote:

A tall spindly plant with basal leaves and a flower stalk with small white or pinkish flowers in umble-like clusters.

It is found in shallow, marshy sites throughout north America.

The submerged, fleshy part of several species were dried and eaten by Native Americans.



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