Skip to content
Plant Database
water smartweed

water smartweed

Persicaria amphibia

herbaceous☀️ full sun💧💧💧 high water Hardy: Zone 3aZone 10b

Climate Match for your location

See how well water smartweed grows in your area.

Enter your ZIP code and we'll show you how this plant fits your local climate.

Water smartweed is an amphibious perennial that thrives in wet habitats and shallow water, producing small pink or red flower spikes in summer. It grows rapidly and can form dense colonies, making it useful for wetland restoration and water garden edges.

Overview

Form
Spreading
Growth Rate
fast
Size
1–3′ tall × 1–4′ wide
Dormancy
deciduous
Family
Polygonaceae

Native to the United States

Native Range

Eurasia and North America

Native to: Alaska, Colorado, Connecticut, Idaho, Illinois, Indiana, Iowa, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Montana, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, South Dakota, Vermont, Washington, Wisconsin, Wyoming

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Harvest Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Summer

Companion Planting

Plants well with