Oxalis palmifrons Salter
Palm-leaf False Shamrock, False Shamrock, Palm Leaf Oxalis
Oxalis palmifrons is a low-growing perennial with stunning foliage, which is quite unlike any other Oxalis. The slowly spreading patch of ground-hugging rosettes spreads up to 2 feet (60 cm) wide in 10 years. Each symmetrical rosette is composed of glaucous-green, 3-dimensional, miniature palm-like leaves. It is a winter grower that does not emerge until late fall, when it is topped with stalks of light pink flowers held just above the foliage. It remains evergreen all winter, finally going dormant when the heat of summer arrives.
USDA hardiness zones 7b to 11b: from 5 °F (−15 °C) to 50 °F (+10 °C).
How to Grow and Care
These plants need bright indirect light to grow well and produce flowers. They can often bloom all winter if kept in a sunny spot. Keep the soil barely moist but never soggy. Allow the top 2 inches (5 cm) of the soil to dry out before watering. It is best to water your Oxalis from the bottom so that the thin, fragile stems of the plant don't get waterlogged, and the soil stays loose. Oxalis plants grow best in cool temperatures between 60 to 70 ºF (15 to 21 ºC) during the day and 55 to 65 ºF (13 to 18 ºC) at night. The soil should be loose and sandy rather than rich and organic. Feed your plant monthly when actively growing with a basic houseplant food at 1/2 the recommended strength. Never feed an Oxalis when it is dormant and the bulbs are resting.
To propagate Oxalis, simply split the plant into smaller plants and place them in their own pots. Keep it out of direct sunlight until new shoots appear.
Learn more at How to Grow and Care for Oxalis.
Oxalis palmifrons is native to South Africa (Western Karroo).
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