With St. Patrick’s Day approaching, grocery stores and nurseries will be selling “shamrocks." As someone of Irish descent, I ...

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 ...

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-leafed plant to ...

Its leaves may be green, variegated or deep maroon. While true shamrock has a fibrous root system, many oxalis species produce tubers, or bulb-like structures, says David Trinklein, MU Extension ...

If you’ve ever seen a floral display around St. Patrick’s Day, then you’ve likely seen an Oxalis triangularis plant in all ...