Silver Shamrock

Oxalis adenophylla, commonly known as Chilean oxalis or silver shamrock (among other common names), is an Argentinian and Chilean alpine plant. It does well in far-north locations such as Sweden, Norway and Nova Scotia (Canada), as well as in purely temperate regions. Its cold-hardiness comes from the bulb's adaptation to freezing during dormancy. It is, however, susceptible to rot in the winter in temperate zones, a problem not present where ground freezes in winter. It is...