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Garden sorrel

Garden sorrel

Rumex acetosa
A herbaceous perennial of the buckwheat family (Polygonaceae) grown as a culinary herb for its basal clusters of arrowhead-shaped leaves, which carry a tangy, acidic, sour-lemony flavor used in salads, soups, omelets, and sauces. Native to northern temperate regions, it reaches about 24 inches tall and sends up long, spike-like terminal clusters of greenish flowers that turn reddish with age in summer. Per the Missouri Botanical Garden PlantFinder, it self-seeds and spreads in the garden, and flowers should be removed promptly to keep new leaf growth coming; younger leaves taste best.
Climate fit: moderate (50/100)
Edible
Filler
Light
Full sun
Water
Moderate water
Mature size
18-24" tall · 18" apart
Hardy in zones
3-7
brutally cold to cold winters
AHS heat range
1-9
Plant range authored in AHS heat-zone terms.
Native in Illinois
No

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Grown as a culinary herb: the arrowhead-shaped leaves have a tangy, acidic, sour-lemony flavor and are used in salads, soups, omelets, and sauces, with younger leaves offering the best taste (Missouri Botanical Garden PlantFinder).

Cold hardiness

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.
Now
Zone 6b
Plotwright
USDA Zone 6b
-5°F to 0°F
Well-suited
Zone 7a
Plotwright
0°F to 5°F
Well-suited
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
Well-suited today and still thriving in 2050.

Heat tolerance

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.
Loading AHS heat-zone data for this location...

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
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Educator packet

Plant packet
Garden sorrel educator packet
A herbaceous perennial of the buckwheat family (Polygonaceae) grown as a culinary herb for its basal clusters of arrowhead-shaped leaves, which carry a tangy, acidic, sour-lemony flavor used in salads, soups, omelets, and sauces. Native to northern temperate regions, it reaches about 24 inches tall and sends up long, spike-like terminal clusters of greenish flowers that turn reddish with age in summer. Per the Missouri Botanical Garden PlantFinder, it self-seeds and spreads in the garden, and flowers should be removed promptly to keep new leaf growth coming; younger leaves taste best.
Scientific name
Rumex acetosa
Plant type
herb
Hardiness
3-7
Light
full-sun
Moisture
moderate
Spacing
18 inches
Classroom prompts
- Which plant traits are observations, and which are care recommendations?
- How would this plant fit change if the garden location moved warmer, colder, wetter, or drier?
- Which source-backed facts would you cite in a lesson handout?
Use the Sources & citations section below for page citation styles and the field-level source list.

Sources & citations

Cite this page
For lesson plans, articles, or research that uses this page. Use the source cards below to explore the references that informed this record.
Plotwright. (2026, May 17). Garden sorrel (Rumex acetosa). Retrieved 2026, August 20, from https://plotwright.com/plants/rumex-acetosa
Sources used for this record
This record is compiled from the sources below.
Missouri Botanical Garden PlantFinder
Botanical research database
Plants of the World Online (POWO)
Botanical research database
GBIF
Botanical research database
Wikipedia (ecoregion articles)
Botanical research database
Wikimedia Commons
Photo · CC BY-SA 4.0