Oxalis, or the false shamrock’s (Oxalis triangularis) dramatic dark purple leaves and sprays of starry white or pale pink flowers will make a striking statement in any houseplant collection. While the ...
Reviewed by Kathleen Miller Purple shamrock, also known as false shamrock, is a unique plant with deep purple, nearly black foliage that looks like fluttering butterflies. Its triangular leaves grow ...
Non-native oxalis grows wild in this region, as well other areas of northern California. Although it’s a very pretty plant, it is highly invasive and considered a weed.