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Small Pondweed

Potamogeton pusillus, Potamogetonaceae

Zones
3–9
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Beneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (seedling)

Soil pH

6.5 – 8.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Small-flowered Water PoppyHydrocleys parviflora
Shade Provision
Horned PondweedZannichellia palustris
Nutrient AccumulationBeneficial Insect Habitat

Antagonistic Plants

Spiny HornwortCeratophyllum echinatum

Hornwort allelopathic effects can inhibit small pondweed species in shared aquatic habitats

Uses

Functions

Water FiltrationErosion ControlWildlife HabitatWater Oxygenation

Edible Parts

TubersSeeds

Common Questions

What zones does Small Pondweed grow in?

Small Pondweed grows in USDA hardiness zones 3 through 9.

What are good companion plants for Small Pondweed?

Good companions for Small Pondweed include Small-flowered Water Poppy, Horned Pondweed.

Design guilds with Small Pondweed and see companion relationships visually.

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