Oxalis triangularis is a true beauty with deep purple, shamrock-like leaves with a hint of deep rose in the centre and palest pink flowers.

Oxalis adenophylla is a distinctive false shamrock with pleated, greenish gray foliage and masses of showy pink flowers.

Oxalis enneaphylla 'Rosea' is small in stature but mighty in flowers and can bloom from spring through fall.

Oxalis griffithii 'Pink Double Flower' is a rare form with shamrock-like leaves and pink double flowers.

The redwood sorrel, Oxalis oregana, is a lovely native shade ground cover with beautiful shamrock foliage.

Oxalis oregana 'Klamath Ruby' is a special redwood sorrel with darker green leaves with wine red undersides.

Oxalis tetraphylla 'Iron Cross' boasts bicoloured green and red shamrocks with carmine red flowers.

Oxalis triangularis forms mounds of purple shamrocks with white to pale pink flowers.

Vivid burgundy-purple shamrocks with light pink flowers.

The green, shamrock-like leaves of Oxalis violacea give rise to lavender or rose-pink flowers in spring.