Duck Lettuce

Ottelia alismoides, Hydrocharitaceae

Zones

8–11

Layer

Herbaceous

Lifespan

Annual

Growth

Moderate

Guild Roles

ProducerGround CoverBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

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

Soil pH

6.5 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Wavy-leaved Water HawthornAponogeton undulatus

Pollinator Sharing

Spiny-seeded FloatingheartNymphoides spinulosperma

Pollinator SharingShade Provision

European WatercloverMarsilea crenata

Nutrient AccumulationShade Provision

Alternate-flowered Water MilfoilMyriophyllum alterniflorum

Beneficial Insect HabitatNutrient Accumulation

Antagonistic Plants

Green Parrot's FeatherMyriophyllum pinnatum

Dense stands of parrot's feather block light penetration to submerged rosette plants like duck lettuce

Redhead GrassPotamogeton perfoliatus

Both submerged species may compete for similar underwater light and nutrient resources in the same depth zones

Uses

Functions

Water FiltrationErosion ControlOxygenationAquatic Habitat

Edible Parts

LeavesFlowers

Medicinal Uses

Digestive AidCooling

Common Questions

What zones does Duck Lettuce grow in?

Duck Lettuce grows in USDA hardiness zones 8 through 11.

What are good companion plants for Duck Lettuce?

Good companions for Duck Lettuce include Wavy-leaved Water Hawthorn, Spiny-seeded Floatingheart, European Waterclover, Alternate-flowered Water Milfoil.

Design guilds with Duck Lettuce and see companion relationships visually.

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