French Sorrel Plant Care
Rumex scutatus L.
Rumex scutatus is a plant in the buckwheat family, used as a culinary herb. Its common names include French sorrel, buckler sorrel, shield-leaf sorrel, and sometimes the culinary name "green-sauce".
Every 4–7 days
Full sun to part shade
50–75°F
40–70%
What Is the French Sorrel?
French Sorrel (Rumex scutatus) belongs to the Polygonaceae family within the Rumex genus. French Sorrel is also known as Buckler-leaved sorrel, Shield sorrel.
French Sorrel displays a clumping perennial growth habit, reaching up to 2 inches tall with a spread of approximately 1.5 inches. French Sorrel produces small green flowers on tall spikes.
Leaf size: approximately 6 inches.
How Often Should You Water a French Sorrel?
Rumex scutatus requires watering every 4–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 4–7 days
Let soil partially dry between waterings
What Light Does the French Sorrel Need?
French Sorrel thrives in full sun to part shade light conditions. The optimal light range is 200–1000 lux. Avoid placing French Sorrel in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to part shade
200–1000 lux
What Temperature and Humidity Does the French Sorrel Prefer?
Rumex scutatus grows best at temperatures between 50°F and 75°F. French Sorrel prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a French Sorrel?
Moist, fertile soil with good drainage. Good drainage is essential for French Sorrel to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a French Sorrel?
Divide clumps every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a French Sorrel?
French Sorrel can be propagated through seeds, division.
Fertilizing
Every 6 months
During the growing season
Is the French Sorrel Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the French Sorrel?
French Sorrel is susceptible to aphids, leaf miners, slugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the French Sorrel Need?
French Sorrel grows outdoors in USDA Zone 12a. In cooler regions, grow French Sorrel as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
French Sorrel is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Rumex genus — compare its care with other Rumex species on PlantoScan.
French Sorrel tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
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