This bulbous perennial has upright spreading foliage and forms a small clump. It has dark green divided leaves with triangular shaped leaflets and the whitish funnel shaped flowers appear in a loose cluster amongst the foliage during spring. 

Hardiness zones 7 to 11

Oxalis regnellii is naturally found in South America from Peru to Brazil, Bolivia, Paraguay and Argentina growing along the margins of water courses in coastal regions from sea level to 265 m (869 ft).

It prefers an open semi-shaded to sunny position and grows in well-drained organic rich moist sandy soils. It is drought and frost tolerant and during winter plant becomes dormant.

False Shamrock is grown for its foliage, spreading habit and its flowers. It is planted along shaded borders or in rockeries in small or cottage gardens.  It is also grown in patio pots and tubs or used as an indoor plant. It is suitable coastal and inland regions and establishes from division one season. This perennial also planted around water features will use in a woodland setting. ID 3450

Oxalis (oks-AH-lis) regnellii (reg-NEL-ee-eye)

Oxalidaceae (ok-SAL-e-DAY-see-ee)