Dock
Rumex lapponicus
- Native to:
- Canada, Finland, Greenland, Japan, Kuril Is., Norway, Russia, Svalbard, Sweden, United States
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Polygonaceae
- Genus:
- Rumex
- Species:
- Rumex lapponicus
- USDA Symbol:
- RULA9
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green
- Food Forest:
- Contains edible parts
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
American Copper (Lycaena phlaeas), Copper (Lycaena cuprea)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
Soil Requirements
- Soil Type:
- moist, well-drained, nutrient-rich soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- commonly found in alpine and subalpine meadows
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily after cold stratification; prefers consistently moist conditions.
The above propagation data sourced from Claude AI