Richardia grandiflora (Largeflower Mexican Clover)

Plant Profile

Richardia grandiflora, known as Largeflower Mexican Clover, is a low, spreading perennial (often grown as annual) with opposite, oval leaves. It produces relatively large, white to pale pink, tubular flowers with a hairy throat, blooming over a long season. Native to South America, naturalized in warm regions.

Key Characteristics

• Family: Rubiaceae
• Genus: Richardia (rich-AR-dee-uh)
• Species: grandiflora (gran-dih-FLOR-uh)

Growing Conditions

Full sun to part shade, well-drained soil. Heat and drought tolerant. Hardy in USDA zones 9–11; annual elsewhere.

Landscape Uses

Groundcover in warm climates, lawns (tolerates mowing), containers. Attracts pollinators.

Maintenance

Minimal. Can be mowed. May self-seed aggressively.