Oxalis, also known as yellow wood sorrel, is a delicate ground cover that gardeners love to hate, as it's a persistent weed that seems to reappear no matter what you throw at it. Its shamrock-like ...

There are several species of oxalis with different leaf shapes growing in our area, but they all have the three-part, clover-like leaves. Control requires persistent effort over time.

The leaves look similar, but oxalis lacks a stipule (a small usually leaflike appendage at the base of the stalk that attaches a leaf to a stem). In short, you’ll need a magnifying glass.

Oxalis is fine for pot culture too which is why they make fine gifts. Because it likes to dry out a bit, it does very well as an indoor plant, although I’ve had one outdoors for 20 years, a gift ...