This pesky weed can be a big problem. Some plants are just bad news. Thistle is one of them, with many invasive varieties and a nasty tendency to quickly take over your garden. Worse, this weed's ...

Thistle gets a bad rap, and some of it is well deserved. Thistles are known for their prickliness with most having sharp spines on the leaves and flower head. Gardeners know to pull these only when ...

Yellow star thistle, Centaurea solstitialis, is an invasive plant that we should try to eliminate. The plant is native to Eurasia, although it is believed it was brought to California from South ...