Water Dock
Rumex hydrolapathum
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Description
Water Dock (Rumex hydrolapathum) is a robust perennial herb native to Europe and parts of Asia, thriving in wetland areas such as riverbanks, marshes, and ditches. It plays a significant role in agroecology and regenerative agriculture by improving soil structure and fertility through its deep root system, which enhances nutrient cycling and soil aeration. As a food forest plant, it serves as a ground cover layer, providing habitat and food for various wildlife, including insects and birds. Historically, it has been used in traditional medicine and as a food source in times of scarcity. Water Dock is particularly valued for its ability to stabilize soil in erosion-prone areas and its compatibility with wetland guilds, often paired with plants like cattails and sedges.
Growing Details
Water Dock thrives in wet, boggy conditions and prefers full sun to partial shade. It performs best in nutrient-rich, loamy soils with a neutral to slightly acidic pH. Prepare the soil by incorporating organic matter such as compost to improve fertility and structure. Mulching with straw or wood chips helps retain moisture and suppress weeds. Companion plants include cattails and sedges, which share similar moisture requirements. Avoid planting in dry or compacted soils. Harvest leaves in spring
Tags
Carbon Farming
Attracts Wildlife
Erosion Preventing
Bee Friendly
Visual Appeal
Easy Propagating
Colouring
Range (Based on GBIF Data)
The map shows known occurrence points of <strong>Rumex hydrolapathum</strong> recorded in scientific biodiversity databases.
Source: <a href="https://www.gbif.org" target="_blank">GBIF.org</a> โ Global Biodiversity Information Facility
Location & Timing
native geo location: Native to Europe and parts of Asia, typically
applicable geo region: Europe and Asia
language used: en
Flowering:
middle
of May for 90 days
Harvest:
middle
of August for 60 days
Seed Start:
?
Indoor Start:
Transplant:
Uses & Benefits
Edible Rating:
(2/5)
edible uses: The young leaves of Water Dock can be consumed raw or cooked, though they are often considered too bitter for most palates. They are sometimes used as a potherb or added to soups and stews. It's advisable to boil the leaves in several changes of water to reduce bitterness and oxalic acid content.
Medicinal Rating:
(3/5)
medicinal uses: Water Dock has been traditionally used for its medicinal properties, particularly as a mild laxative and to treat skin conditions. The roots contain anthraquinones, which contribute to its laxative effects. It is also used in poultices for skin irritations and as a tonic for digestive health.
health concerns: The leaves and stems contain oxalic acid, which can be harmful in large quantities, especially for individuals with kidney problems. It is recommended to consume in moderation and with proper preparation.
other uses: The plant can be used as a green manure or mulch to improve soil fertility. It also has potential use in natural dye production, yielding a yellow to brown color.
Scientific Literature
Loading scientific articles about <strong>Rumex hydrolapathum</strong>...
Botanical data
specie: Rumex hydrolapathum
common names: Water Dock; Great Water Dock; Giant Water Doc
family: Polygonaceae
sub family:
tribe:
sub tribe:
genus: Rumex
Growing Conditions
area needed: 1.0 m
spacing: 0.5 m
growing difficulty: Low
Deciduous / Evergreen: Evergreen
Seed Temp (Opt/Min/Max): 15ยฐC / 10ยฐC / 20ยฐC
Plant Temp (Opt/Min/Max): 15ยฐC / 5ยฐC / 25ยฐC
water demands: High
humidity: High
light demands: High
root type: Deep
frost tender: Low
hardness:
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(6/10)
first harvest: 365 years
life span: 10 years
succession: Mid
growth rate: Medium
max height: 1.5 m
max width: 0.5 m
soil preference:
Medium (Loam)
pH preference:
Neutral
flower type:
Hermaphrodite
growth details: Water Dock thrives in wet, boggy conditions and prefers full sun to partial shade. It performs best in nutrient-rich, loamy soils with a neutral to slightly acidic pH. Prepare the soil by incorporating organic matter such as compost to improve fertility and structure. Mulching with straw or wood chips helps retain moisture and suppress weeds. Companion plants include cattails and sedges, which share similar moisture requirements. Avoid planting in dry or compacted soils. Harvest leaves in spring
Potential Disturbances: Water Dock is generally resistant to most pests, but it can occasionally be affected by rusts and leaf miners. Encourage beneficial insects like ladybugs and lacewings to control aphid populations. Planting garlic or chives nearby can help repel leaf miners. Use neem oil or insecticidal soap as an organic spray for severe infestations.
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