Also known as Water Dock
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers 6+ hours of direct sunlight daily, but tolerates some shade.
Consistent Moisture Required
100% intensity
Keep soil perpetually wet to waterlogged; prefers boggy conditions.
Clay, Loam, Sand
50% intensity
Tolerant
50% intensity
Hardy in USDA zones 4-9. Tolerates a wide range of temperatures but thrives in temperate climates.
Aquatic
50% intensity
Low Maintenance
25% intensity
Requires minimal feeding; benefits from occasional diluted balanced fertilizer in spring if needed.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Swamp dock thrives in consistently moist to wet soil. Water regularly, especially during dry periods, ensuring the substrate remains saturated.
Avoid letting the soil dry out completely, as this species is adapted to boggy conditions. Aim for standing water or waterlogged soil for optimal growth.
Pruning is typically not required for swamp dock beyond removing any dead or damaged foliage. Cut back old stems in late winter or early spring before new growth emerges.
This helps maintain a tidy appearance and encourages vigorous new shoots. Deadheading spent flower stalks can prevent unwanted reseeding.
Swamp dock can be easily propagated by seed or division. Sow seeds in moist soil in autumn or early spring.
For division, carefully separate established clumps during the dormant season (late winter to early spring) and replant them immediately in similar wet conditions. Both methods are highly successful.
Repotting is rarely necessary for swamp dock, as it is often grown in ponds or garden bogs. If grown in a container, repot in early spring only when the plant has outgrown its current vessel.
Ensure the new container has ample space and is placed in a waterlogged environment. Use a heavy, nutrient-rich soil mix.
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Photos of Swamp Dock (Rumex verticillatus)
Common names and botanical synonyms
Botanical classification
