About
A fast-growing, spreading perennial with ovate green leaves, arrow-shaped at the base. Leaves are edible, sour-tasting but contain oxalic acid so should not be eaten in large quantity. Produces spikes of red to yellowish flowers to 30cm high.
About the 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
Growing conditions
SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH4
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1 year
Suggested usesWildflower meadow, Wildlife gardens
ToxicityHarmful 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
Care notes
CultivationGrows best in acid to neutral soil, in a sunny position; in mild areas may grow all year round. Worth cultivating in a species-rich lawn or wildflower meadow for its edible leaves which add a lemony tang to salads, its importance for wildlife, supporting over 50 species of insect, and for its attractive reddish flowers and seedheads. See sheep's sorrel for more information
PruningNo pruning required, but should be deadheaded if self-seeding becomes a nuisance
PropagationPropagate by seed
Pest resistanceMay be susceptible to slugs and aphids
Disease resistanceGenerally disease-free