A friend told me recently that she has a new ground cover in her yard. And she wasn’t happy about it. “It’s oxalis,” she said. “And it’s everywhere.” I have been wondering myself about the recent ...

Each day as the sun rises, so too do the leaves of Oxalis triangularis, also known as the love plant or purple shamrock. And as the light fades, the triangular leaves fold down neatly to rest until ...

In the year 432 AD, a missionary who earlier assumed the name Patricius, arrived in Ireland with the objective of converting the Celtic Irish to Christianity. Legend has it that he used a small, three ...