Rumex sanguineus

RHS Plant Profile

wood dock

RHS

Other common names

bloody dock, red-veined dock, bloodwort

Synonyms

Rumex sanguineus 'Bloody Duck'
Rumex nemorosus

Herbaceous Perennial

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A tap-rooted, herbaceous perennial producing a rosette of mid- to dark green, oblong leaves with conspicuous dark red veins. In early summer branched, upright flower stems carry tiny, star-shaped flowers green at first then red, followed by dark brown fruit

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Polygonaceae
Native to GB/Ireland: Yes
Foliage: Deciduous
Habit: Columnar upright
Potentially harmful: Harmful if eaten in large amounts. Wear gloves and other protective equipment when handling Pets: Harmful if eaten in large amounts - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Rumex can be annuals, biennials or perennials with mostly basal, simple leaves and erect panicles or racemes of small greenish or reddish flowers followed by reddish-brown, triangular fruits
Name Status: Correct
Plant Range: Europe N Africa SW Asia

How to Grow

Cultivation

Grow in any well-drained soil, in full sun

Propagation

Propagate by seed

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds

Pruning

Cut back after flowering to avoid self-seeding

Pests

May be susceptible to slugs and aphids

Diseases

Generally disease-free