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Great Water Dock

Rumex hydrolapathum, Polygonaceae

Zones
3–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast

Guild Roles

ProducerDynamic AccumulatorBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

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

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Great Yellow CressRorippa amphibia
Beneficial Insect Habitat
Common BulrushScirpus lacustris
Wind ProtectionNutrient AccumulationBeneficial Insect Habitat

Antagonistic Plants

Earth LoosestrifeLysimachia terrestris

Great water dock produces oxalic compounds and has aggressive root systems that can inhibit nearby herbaceous wetland plants

American Water PlantainAlisma subcordatum

Water dock's aggressive growth and oxalic acid production can inhibit water plantain establishment

Uses

Functions

Water FiltrationErosion ControlHabitatFood ProductionNutrient Accumulation

Edible Parts

LeavesStemsSeeds

Medicinal Uses

AstringentDigestive Aid

Common Questions

What zones does Great Water Dock grow in?

Great Water Dock grows in USDA hardiness zones 3 through 8.

What are good companion plants for Great Water Dock?

Good companions for Great Water Dock include Great Yellow Cress, Common Bulrush.

Design guilds with Great Water Dock and see companion relationships visually.

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