It blooms from spring through fall. It was very drought tolerant, more so than any other plant in our trial, blooming freely and having dark green, glossy leaves after receiving no irrigation for five weeks. There are some improved colors and forms becoming available, so if the older ones didn't thrill you keep a look out for the newer, improved ones. The foliage varies in size, configuration, and markings. Some grow from rhizomes or bulbs.
Oxalis are perennials, most of which can go dry in the summer.
All species except O. oregana can be grown as house plants in a sunny window.