Water Pepper

Polygonum hydropiper, Polygonaceae

Zones

3–9

Layer

Herbaceous

Lifespan

Annual

Growth

Fast

Guild Roles

Ground CoverMulch MakerPest ConfuserDynamic Accumulator

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (preferred)

Water

High (established)High (seedling)

Soil pH

5.5 – 7

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Maryland Wild SennaCassia marilandica

Beneficial Insect HabitatPest Deterrent

Burgundy BeanMacroptilium bracteatum

Nitrogen FixationPest Deterrent

Beak Pod SesbaniaSesbania rostrata

Nitrogen FixationPest Deterrent

White-top SedgeRhynchospora colorata

Pest DeterrentBeneficial Insect Habitat

Antagonistic Plants

Bladder CloverTrifolium spumosum

Water pepper contains compounds that can inhibit nearby plant growth including legumes

Uses

Functions

Rapid Ground CoverageBiomass ProductionNutrient CyclingPest DeterrentMoisture Retention

Edible Parts

LeavesSeeds

Medicinal Uses

Digestive AidAnti-Inflammatory

Common Questions

What zones does Water Pepper grow in?

Water Pepper grows in USDA hardiness zones 3 through 9.

What are good companion plants for Water Pepper?

Good companions for Water Pepper include Maryland Wild Senna, Burgundy Bean, Beak Pod Sesbania, White-top Sedge.

Design guilds with Water Pepper and see companion relationships visually.

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