Oxalis triangularis Fanny (False Shamrock)

Oxalis triangularis ‘Fanny’ (False Shamrock) is a bulbous plant forming a lush foliage clump of trifoliate leaves that close at night and open wide to the morning light. Adorned with silver margins, each leaf has the shape of a little heart, but is triangular like butterfly wings.

Oxalis triangularis 'Fanny' (False Shamrock) is a bulbous plant forming a lush foliage clump of trifoliate leaves that close at night and open wide to the morning light. Adorned with silver margins, each leaf has the shape of a little heart, but is triangular like butterfly wings. In summer, umbels of delicate, five-petaled, soft pink flowers appear atop slender stems, above the handsome clover-like foliage. This is a very easy foliage plant to cultivate and maintain. It does not spread or seed around the garden like its weedy cousins.

  • Grows up to 6 in. tall and wide (15 cm).
  • Easily grown in light (sandy), medium (loamy), well-drained soils in bright light or part shade . Water regularly during the active growing season, but allow the surface soil to dry out between waterings.
  • Toxic to dogs, toxic to cats, toxic to horses.

Requirements

Hardiness 7
– 10

Heat Zones 1
– 9

Climate Zones 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
Plant Type Bulbs, Perennials
Plant Family Oxalis
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)Fall
Height 6"
(15cm)
Spread 6"
(15cm)
Spacing 6″ (15cm)
Water Needs Average
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Deer, Rabbit
Attracts Butterflies
Garden Uses Patio and Containers
Garden Styles Gravel and Rock Garden, Informal and Cottage