Sorrel
Rumex acetosa
Sorrel (Rumex acetosa) is a hardy perennial herb in the Polygonaceae, prized for its distinctive lemony, tangy leaves that bring a bright, acidic zing to soups, sauces, and salads. The sharp, sour flavor comes from oxalic acid — the same compound that gives rhubarb and spinach their characteristic tang — making sorrel one of the most distinctive-tasting leafy greens.
• The name "sorrel" derives from the Old French "surele" meaning "sour" — a perfect description of its lemony flavor
• The species epithet "acetosa" means "vinegary" or "sour" in Latin
• One of the oldest culinary herbs in European cooking — used since ancient Roman times
• The tangy flavor eliminates the need for lemon juice or vinegar in dishes
• A perennial plant that returns year after year — one planting provides a lifetime of harvests
• The genus Rumex (docks) contains approximately 200 species worldwide
• Found in meadows, pastures, and grasslands across Europe, from Scandinavia to the Mediterranean
• Extends eastward through Russia to Siberia and northern China
• Has been gathered as a wild green and cultivated since Roman times
• French cuisine has embraced sorrel more than any other — it is a classic ingredient in French country cooking
• The genus Rumex contains approximately 200 species, including dock and buckwheat relatives
• Introduced to North America, where it has naturalized in many areas
• Sorrel soup ("shchavelivy sup") is a beloved spring dish in Russia and Ukraine
Leaves:
• Large, elongated, arrow-shaped (hastate), 7 to 20 cm long
• Bright green, smooth, with a distinctive basal lobe pointing outward or downward
• Thin, tender texture
• Sharp, tangy, lemony flavor from oxalic acid
Flower stalk:
• Erect, 60 to 120 cm tall, branching
• Slender, ridged, often reddish-tinged
Flowers:
• Small, greenish to reddish, in whorled clusters along the upper stem
• Male and female flowers on separate plants (dioecious)
• Blooms June to August
Seeds:
• Small, triangular, brown, enclosed in three-winged papery valves
• Self-seeds prolifically
Roots:
• Deep, fleshy taproot — the perennial storage organ
• Yellowish-brown
Per 100 g fresh leaves:
• Energy: approximately 22 kcal
• Vitamin C: excellent source (up to 50 mg)
• Vitamin A: good source
• Potassium: significant amounts
• Iron and magnesium
• Contains oxalic acid (see toxicity)
• Provides dietary fiber
• Rich in flavonoids and phenolic antioxidants
• Low in calories but very high in flavor impact
• Oxalic acid binds calcium and other minerals, reducing their absorption
• Excessive consumption of oxalic acid can contribute to kidney stone formation in susceptible individuals
• People with a history of kidney stones, gout, or rheumatism should limit sorrel consumption
• Cooking reduces oxalic acid content somewhat
• The sour taste is a natural indicator of oxalic acid content — the more sour, the more oxalic acid
• Moderate consumption as a flavoring herb is generally safe for healthy individuals
• Not recommended in large quantities for people with kidney disorders
Planting:
• Sow seeds in spring, 6 mm deep
• Germination in 10 to 14 days
• Thin or transplant to 25 to 30 cm apart
• Also propagated by division of established clumps
Site:
• Full sun to partial shade
• Rich, moist, well-drained soil, pH 5.5 to 6.5
• Prefers slightly acidic conditions
Care:
• Keep soil consistently moist
• Cut flower stalks to prevent self-seeding and promote leaf growth
• Divide clumps every 3 to 4 years
• Mulch in autumn
Harvest:
• Pick young, tender leaves from spring through autumn
• Cut entire plant to 5 cm above ground to encourage fresh regrowth
• Leaves are most tender and lemony in spring
• Flavor becomes more acidic as leaves mature
• French sorrel soup (soupe à l'oseille) — the classic preparation, a creamy, tangy spring soup
• As a sauce: sorrel purée or butter with fish, particularly salmon and trout
• In salads — adds a bright, lemony element
• With eggs — in omelets, quiches, and scrambled eggs
• As a tart filling (French tarte à l'oseille)
• In Russian/Ukrainian green borscht (shchavelivy borscht) — a beloved spring dish
• With cream sauces for veal and poultry
• Blended into pesto as a lemony alternative
• Added to mashed potatoes for tang
• Wilted into pasta dishes
• As a natural acidulant — replaces lemon juice in some recipes
Fun Fact
Sorrel is one of the oldest "sour" flavorings in European cooking — before lemons were widely available in northern Europe, sorrel was the primary source of acidity and brightness in cooking. Medieval European cooks relied on sorrel the way modern cooks rely on lemons, making it the "lemon of the north."
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