Water Lobelia

Lobelia dortmanna, Campanulaceae

Zones

3–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

ProducerGround CoverBeneficial Insect HabitatPollinator Attractor

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

High (established)High (seedling)

Soil pH

5.5 – 7

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Common Club-rushSchoenoplectus lacustris

Wind Protection

Ten-angled PipewortEriocaulon decangulare

Nurse Plant

Seven-angle PipewortEriocaulon aquaticum

Nutrient AccumulationPollinator Sharing

Antagonistic Plants

Giant DuckweedSpirodela intermedia

Giant Duckweed's dense surface coverage reduces light availability for submerged Water Lobelia

Lake QuillwortIsoetes lacustris

Submerged rosette plants competing for oligotrophic lake bottom substrates

Uses

Functions

Water FiltrationErosion ControlHabitat CreationOxygen ProductionWater Quality Improvement

Edible Parts

Leaves

Medicinal Uses

Respiratory AilmentsAnti-Inflammatory

Common Questions

What zones does Water Lobelia grow in?

Water Lobelia grows in USDA hardiness zones 3 through 8.

What are good companion plants for Water Lobelia?

Good companions for Water Lobelia include Common Club-rush, Ten-angled Pipewort, Seven-angle Pipewort.

Design guilds with Water Lobelia and see companion relationships visually.

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