Oxalis triangularis
False Shamrock
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False Shamrock (Oxalis triangularis) - Description
Oxalis triangularis, commonly called False Shamrock, is a species of edible perennial plant in the Oxalidaceae family. It is endemic to Brazil. This woodsorrel is typically grown as a houseplant but can be grown outside in USDA climate zones 8a-11, preferably in light shade. The subspecies O. triangularis subsp. papilionacea, in particular its cultivar 'Triangularis', is highly popular as a pot plant and known as Love Plant and Purple Shamrock.
False Shamrock (Oxalis triangularis) - Blooming
Flowers come in pink, white, rose or yellow. They are 5-petaled, bowl-shaped. Flowers will open only in sunlight. Close at night or in gloomy weather conditions.
False Shamrock (Oxalis triangularis) - Growth
Fibrous-rooted, bulbous, rhizomatous, or tuberous annuals and perennials. Some species can reach 1 ft. in height, but most species of Oxalis are low to the ground. Most species do well as shade plants in the under stories of trees. Members of the Oxalis genus spread via underground rhizomes and some can be extremely invasive.In less hardy areas, grow Oxalis in a temperate or warm greenhouse.Species from Southern Africa and South America make nice additions to a rock garden, raised bed, trough, or alpine house.
False Shamrock (Oxalis triangularis) - Planting
Propagate from the seed in late winter or early spring at 55-64°F (13-18°C). Conduct division in spring. Rhizomatous species root readily.
False Shamrock (Oxalis triangularis) - Pest
Leaf miners and spider mites. Also prone to rust, powdery mildew, fungal leaf spots, and seed smut.
False Shamrock (Oxalis triangularis) - Interesting facts
Most species of Oxalis are from South America and southern Africa.
False Shamrock (Oxalis triangularis) - Soil and irrigation
Container grown plants should be kept just moist when dormant. Water moderately during the growing season. Does best in moist, rich soils. Most prefer soils with good drainage.
