Oxalis adenophylla Gillies ex Hook. & Arn.
Silver Shamrock, Sauer Klee Oxalis
Acetosella adenophylla, Acetosella bustillosii, Oxalis bustillosii
Oxalis adenophylla is a stemless plant that grows from a stem tuber, forming an up to 6 inches (15 cm) wide clump. It has fleshy grayish-green leaves composed of several narrow, heart-shaped leaflets. Flowers are solitary, bright rosy-pink, paler in the center, and a purple throat. They appear in late spring.
USDA hardiness zones 7a to 9b: from 0 °F (−17.8 °C) to 30 °F (−1.1 °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 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. See more at How to Grow and Care for Oxalis.
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