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 ...

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 ...

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 ...

My column about Cape oxalis (Feb. 21) clearly struck a raw nerve among many Bay Area gardeners. I got quite a few more questions and ideas to help manage this awful weed. Here are a few. Q: I suffered ...

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 ...

Q:I had a big pot of purple shamrocks in my house as an indoor plant. In the spring, I planted them outside. They grew and multiplied. I know that they have to come back into the house or they will ...

Pink shamrock is one of the more troublesome oxalis species in New Zealand horticulture and is commonly confused with the very similar fishtail oxalis. It re-establishes from bulbs in spring after ...