PatternBaseVariable Pondweed
Potamogeton gramineus, Potamogetonaceae
Zones
3–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate
Guild Roles
Beneficial Insect Habitat
Growing Conditions
Sun
Full Sun (preferred)Partial Shade (tolerated)
Water
High (established)
Soil pH
6 – 8
Tolerances
Drought
Frost
Heat
Pest Resistance
Disease Resist.
Companion Plants
Antagonistic Plants
Floating Primrose-willowLudwigia peploides
Floating primrose-willow is highly invasive and produces allelopathic compounds that inhibit native aquatic plants like pondweeds
Northern Water MilfoilMyriophyllum sibiricumDense watermilfoil growth creates light-limited conditions that inhibit pondweed establishment and growth
Uses
Functions
Water FiltrationOxygenationHabitatErosion Control
Edible Parts
SeedsTubers
Common Questions
What zones does Variable Pondweed grow in?
Variable Pondweed grows in USDA hardiness zones 3 through 8.
What are good companion plants for Variable Pondweed?
Good companions for Variable Pondweed include Water Figwort, Alternate-flowered Water Milfoil.
Design guilds with Variable Pondweed and see companion relationships visually.
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