Oxalis tetraphylla
O. Deppei
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O. Deppei (Oxalis tetraphylla) - Description
Oxalis tetraphylla (often still traded under its syn. O. deppei) is a bulbous plant from Mexico. A common name is "Iron Cross", after a famous cultivar; it is also known as "lucky clover", and in a wild or feral state as Four-leafSorrel or, least ambiguously, Four-leavedPink-sorrel. It has leaves divided into four and has been called "lucky leaf" and even "four-leaf clover", but it is not a true clover.
O. Deppei (Oxalis tetraphylla) - 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.
O. Deppei (Oxalis tetraphylla) - 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.
O. Deppei (Oxalis tetraphylla) - 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.
O. Deppei (Oxalis tetraphylla) - Pest
Leaf miners and spider mites. Also prone to rust, powdery mildew, fungal leaf spots, and seed smut.
O. Deppei (Oxalis tetraphylla) - Interesting facts
Most species of Oxalis are from South America and southern Africa.
O. Deppei (Oxalis tetraphylla) - 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.
