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Polygonum amphibium - Water Smartweed

Native Wetland Plants

Polygonum amphibium

Water Smartweed

More About Water Smartweed

Polygonum amphibium, Water Smartweed, is a sprawling perennial with willow-like leaves, reddish stems, and clusters of small flowers found in shallow water along the margins of lakes, ponds, and streams. The rhizomes of Polygonum amphibium form brilliant patches of manageable mats. Seeds for Water Smartweed provide food for marsh birds, song birds, and some upland game birds.

Bloom Color

White

Polygonum amphibium Characteristics & Attributes

Exposure
Sun
Mature Height
1' - 2'
Spread Characteristics
Prolific Seeder
Stoloniferous - Rapid
Season of Interest (Flowering)
Summer
Season of Interest (Foliage)
Spring
Summer
Fall
Pond Zonation
High Marsh - Saturated Soil
Low Marsh 0 - 6"
Shallow Water 6" - 12"
Foliage Color
Green
Wildlife Benefits
Amphibians
Butterflies
Cover
Fish
Food
Nesting
Waterfowl
Critter Resistance
Deer Resistant
Goose Resistant
Wetland Indicator Status
OBL
Plant Type
Floating Leaf
Flowering Perennial
Marginal
Submergent
Attributes
Bio Remediation
Container
Erosion Control
Fibrous Roots
Ground Cover
Mass Planting
Native
Naturalizing
Ornamental Flower
Storm Water Basin
USDA Hardiness Zone
2
3
4
5
6
7
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