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Swamp Lily

Ottelia ovalifolia, Hydrocharitaceae

Zones
9–12
Layer
Ground Cover
Lifespan
Perennial
Growth
Moderate

Guild Roles

Ground CoverPollinator AttractorBeneficial 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

Humboldt's Water PoppyHydrocleys humboldtii
Pollinator SharingBeneficial Insect Habitat
Yellow VelvetleafLimnocharis flava
Pollinator Sharing
Chinese MarshweedLimnophila chinensis
Beneficial Insect HabitatPhysical Support

Antagonistic Plants

Gibbous DuckweedLemna gibba

Dense duckweed mats significantly reduce light penetration to submerged plants like Ottelia

Spiny HornwortCeratophyllum echinatum

Hornwort allelopathic compounds can inhibit growth of other submerged flowering plants

Uses

Functions

Water FiltrationOxygenationErosion ControlHabitat Creation

Edible Parts

Seeds

Common Questions

What zones does Swamp Lily grow in?

Swamp Lily grows in USDA hardiness zones 9 through 12.

What are good companion plants for Swamp Lily?

Good companions for Swamp Lily include Humboldt's Water Poppy, Yellow Velvetleaf, Chinese Marshweed.

Design guilds with Swamp Lily and see companion relationships visually.

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