Greater Water Dock

Rumex orbiculatus

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Rumex
Species:
Rumex orbiculatus
USDA Symbol:
RUOR2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
green

Garden & Ecology Notes

Wildlife Value:
birds, waterfowl

Soil Requirements

Soil Type:
rich, moisture-retentive, organic soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wetland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
7–21 days
Notes:
Seeds germinate readily after cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI