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Alternate-flowered Water Milfoil

Myriophyllum alterniflorum, Haloragaceae

Zones
4–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast

Guild Roles

Beneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (fruiting)High (seedling)

Soil pH

6 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Duck LettuceOttelia alismoides
Beneficial Insect HabitatNutrient Accumulation
Variable PondweedPotamogeton gramineus
Beneficial Insect HabitatNutrient Accumulation

Antagonistic Plants

Waterthread PondweedPotamogeton diversifolius

Alternate-flowered watermilfoil can form dense canopies that reduce light availability for thread-leaved pondweeds

Uses

Functions

Water FiltrationOxygen ProductionHabitat CreationNutrient UptakeErosion Control

Common Questions

What zones does Alternate-flowered Water Milfoil grow in?

Alternate-flowered Water Milfoil grows in USDA hardiness zones 4 through 8.

What are good companion plants for Alternate-flowered Water Milfoil?

Good companions for Alternate-flowered Water Milfoil include Duck Lettuce, Variable Pondweed.

Design guilds with Alternate-flowered Water Milfoil and see companion relationships visually.

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