Western Dock
Rumex aquaticus
- Native to:
- Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Czechia-Slovakia, Denmark, Finland, France, Germany, Great Britain, Greece, Hungary, Italy, Kazakhstan, Kirgizstan, Korea, Kuril Is., Labrador, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Romania, Russia, Sweden, Switzerland, Transcaucasus, Ukraine, United States, Uzbekistan
Carl Axel Magnus Lindman (en.wikipedia.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Rumex
- Species:
- Rumex aquaticus
- USDA Symbol:
- RUAQ
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:
- greenish
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Chalceria rubida, Gaeides xanthoides
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, small mammals
Soil Requirements
- Soil Type:
- rich, moisture-retentive loamy soil
- pH:
- 5.5 - 7.5 (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:
- 14–30 days
- Notes:
- Seeds germinate best after cold stratification; sow in moist soil in spring.
Pre-treatment: Soak seeds in fresh water for 24 hours
Source: npn.rngr.net