American water-pennywort

Hydrocotyle americana, Araliaceae

Zones

5–9

Layer

Ground Cover

Lifespan

Perennial

Growth

Fast

Guild Roles

ProducerGround CoverBeneficial Insect Habitat

Growing Conditions

Sun

Partial Shade (preferred)Full Shade (preferred)Full Sun (tolerated)

Water

High (established)High (seedling)

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Stalked Water HorehoundLycopus rubellus

Beneficial Insect Habitat

Round-leaved PickerelweedPontederia rotundifolia

Shade ProvisionPest Deterrent

Arrow-leaf pond lilyNuphar sagittifolia

Shade ProvisionBeneficial Insect Habitat

American Water PlantainAlisma subcordatum

Nutrient AccumulationBeneficial Insect Habitat

Antagonistic Plants

Australian MudwortLimosella australis

Water-pennywort can form dense mats that outcompete small mudwort plants for light and growing space

Uses

Functions

Water FiltrationErosion ControlHabitat CreationOxygen ProductionNutrient Cycling

Edible Parts

LeavesStems

Medicinal Uses

Wound HealingSkin ConditionsDiuretic

Common Questions

What zones does American water-pennywort grow in?

American water-pennywort grows in USDA hardiness zones 5 through 9.

What are good companion plants for American water-pennywort?

Good companions for American water-pennywort include Stalked Water Horehound, Round-leaved Pickerelweed, Arrow-leaf pond lily, American Water Plantain.

Design guilds with American water-pennywort and see companion relationships visually.

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