How much sun does False Water-pepper need?

False Water-pepper grows best in part sun conditions.

When does False Water-pepper bloom?

False Water-pepper blooms in July, August, and September.

Where is False Water-pepper native?

False Water-pepper (Persicaria hydropiperoides) is native to AL, AR, AZ, CA and 38 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does False Water-pepper attract?

False Water-pepper draws bees and flies.

Is False Water-pepper HOA-friendly?

False Water-pepper takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

False Water-pepper

Name: Pollinator Patch
Author: Pollinator Patch

Persicaria hydropiperoides

Last reviewed: August 2026

Toxicity unknown

False Water-pepper (Persicaria hydropiperoides) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part sun

Water

high

Size

12"–36" H × 6"–18" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, AZ, CA and 38 more states

Pollinators

bees, flies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Coast Range Puget Lowland Marine West Coast Forest Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains Northwestern Forested Mountains North American Deserts Chihuahuan Deserts High Plains Southwestern Tablelands Central Great Plains Great Plains Cross Timbers Edwards Plateau Southern Texas Plains Texas Blackland Prairies East Central Texas Plains Western Gulf Coastal Plain South Central Plains Eastern Temperate Forests Ozark Highlands Central Irregular Plains Piedmont Western Corn Belt Plains Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Central Corn Belt Plains Eastern Corn Belt Plains Southern Michigan/Northern Indiana Drift Plains Huron/Erie Lake Plains Northeastern Highlands Northeastern Coastal Zone Northern Allegheny Plateau Erie Drift Plain Northern Forests Middle Atlantic Coastal Plain Northern Piedmont Southeastern Plains Blue Ridge Ridge and Valley Central Appalachians Western Allegheny Plateau Interior Plateau Interior River Valleys and Hills Mississippi Alluvial Plain Mississippi Valley Loess Plains Southern Coastal Plain Southern Florida Coastal Plain Sonoran Basin and Range Acadian Plains and Hills Eastern Great Lakes Lowlands Atlantic Coastal Pine Barrens Southern California/Northern Baja Coast

False water-pepper is a native perennial that thrives in moist soils and partial sun conditions. It produces delicate spikes of small white or pinkish flowers from summer through early fall. This plant naturally grows in wetland areas and requires consistent moisture to perform well.

In an HOA neighborhood

False Water-pepper takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Has a weedy, unstructured appearance
Requires very wet conditions that may look inappropriate in formal landscapes
Common name includes 'water-pepper' which sounds like a weed

Wildlife value

The summer flowers attract bees and flies for pollination. Seeds provide food for waterfowl and other birds in late season.

Common questions

How much sun does False Water-pepper need?: False Water-pepper grows best in part sun conditions.
When does False Water-pepper bloom?: False Water-pepper blooms in July, August, and September.
Where is False Water-pepper native?: False Water-pepper (Persicaria hydropiperoides) is native to AL, AR, AZ, CA and 38 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does False Water-pepper attract?: False Water-pepper draws bees and flies.
Is False Water-pepper HOA-friendly?: False Water-pepper takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow False Water-pepper? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app

Not sure where to start? Take the 2-minute yard quiz