Wood Sorrel (Oxalis acetosella)

Wood Sorrel

Oxalis acetosella

Delicate clover-like foliage unfurls like tiny green hearts, bearing dainty white blooms. Low-growing perennial groundcover; common name: wood sorrel.

Prefers dappled shade or full shade; avoid direct midday sun which can scorch delicate foliage.
1–2/week
Beginner
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Plant Needs

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Sunlight Prefers dappled shade or full shade; avoid direct midday sun which can scorch delicate foliage.
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Watering Keep soil evenly moist but not waterlogged; allow the top 1 cm of soil to dry between waterings to prevent root rot.
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Temperature Hardy to -10°C for short periods; thrives in cool temperate conditions, avoid prolonged temperatures above 28°C.
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Characteristics

  • Leaf: Trifoliate, clover-shaped bright green foliage that folds inward at night.
  • Flower: Five-petaled white blooms with faint purple veins, closes in low light.
  • Stem: Slender, creeping rhizomatous stems that spread slowly to form dense mats.
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Care Guide

Watering

Keep soil consistently slightly moist; mist foliage occasionally to boost humidity

Fertilization

Diluted balanced liquid feed once every 6 weeks. Use a diluted, low-nitrogen feed to support foliage and bloom production without encouraging leggy growth

Banana peel tea:Soak chopped banana peels in water for 3 days, strain solids, and dilute 1:20 with water for root drenching to support healthy foliage and blooms
Pruning
  • Trim back yellowing or damaged foliage to maintain a neat, dense groundcover.
  • Remove spent flower stems to encourage extended blooming through early summer.
  • Divide overcrowded clumps in early spring to refresh growth and propagate new plants.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Non-toxic per ASPCA; no adverse health effects from ingestion.

Humans: No toxic compounds; leaves have a tangy, edible flavor when consumed in small quantities.

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Garden Uses & Culture

Culture: Symbolizes good fortune and spring renewal in some European folklore.

Usage: Ornamental groundcover for shaded gardens; edible leaves as a tangy garnish for salads.