Richardson's Pondweed

Potamogeton richardsonii, Potamogetonaceae

Zones

2–9

Layer

Herbaceous

Lifespan

Perennial

Growth

Fast

Guild Roles

ProducerBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (seedling)

Soil pH

6 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Variable-leaf Water-milfoilMyriophyllum heterophyllum

Beneficial Insect Habitat

Mosaic PlantLudwigia sedoides

Shade ProvisionBeneficial Insect Habitat

Grassleaf MudplantainHeteranthera dubia

Beneficial Insect HabitatPhysical Support

Lesser SpearwortRanunculus flammula

Beneficial Insect HabitatPollinator Sharing

Antagonistic Plants

Curly-leaf PondweedPotamogeton crispus

Two pondweed species compete directly for the same aquatic niche and resources

Broad-leaved PondweedPotamogeton natans

Two pondweed species competing for aquatic space, nutrients, and light in similar habitats

Uses

Functions

Water PurificationOxygenationHabitat CreationErosion Control

Edible Parts

SeedsTubers

Common Questions

What zones does Richardson's Pondweed grow in?

Richardson's Pondweed grows in USDA hardiness zones 2 through 9.

What are good companion plants for Richardson's Pondweed?

Good companions for Richardson's Pondweed include Variable-leaf Water-milfoil, Mosaic Plant, Grassleaf Mudplantain, Lesser Spearwort.

Design guilds with Richardson's Pondweed and see companion relationships visually.

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