Oxalis gigantea Barnéoud
Churqui and Churco (in Spanish)
Oxalis gigantea is a shurb-forming, succulent species, probably the largest known species of the genus. The succulent stems grow up to 8 feet (2.4 m) tall. They are slender, few branched, erect to sinuous and drooping, up to 2 inches (5 cm) in diameter, with numerous short, spur-like shoots, at fist succulent, becoming woody with time. The small leaves are bright shining green, heart-shaped and up to 0.4 inch (1 cm) long. The flowers are bright yellow and up to 1 inch (2.5 cm) across.
USDA hardiness zones 9b to 11b: from 25 °F (−3.9 °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 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 water logged and the soil stays loose. Oxalis 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 in the spring and summer when it is actively growing with a basic houseplant food at 1/2 the recommended strength. Never feed a 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… – See more at: How to Grow and Care for Oxalis
Oxalis gigantea is native to Chile (Antofagasta, Atacama and Coquimbo).
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