Oxalis corniculata 'Rubra' (Creeping Wood Sorrel)

Plant Profile

Oxalis corniculata 'Rubra' (also known as 'Atropurpurea') is a low, creeping perennial with trifoliate, clover-like leaves that are a deep, rich purple-bronze. Small, yellow, five-petaled flowers appear in summer. It spreads by stolons and can be aggressive. Often considered a weed, but valued for its striking foliage color in containers and controlled plantings.

Key Characteristics

• Family: Oxalidaceae
• Genus: Oxalis (oks-AL-iss)
• Species: corniculata (korn-ee-ku-LAY-tuh)
• Cultivar: 'Rubra' (aka 'Atropurpurea')

Growing Conditions

Full sun to part shade, moist, well-drained soil. Hardy in USDA zones 5–9. Can be invasive.

Landscape Uses

Groundcover (with caution), containers, between pavers. Foliage color is the main attraction.

Maintenance

Control spread by edging or containers. Remove seed pods to limit self-seeding.