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 prickly leaves are a nuisance for humans ...

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 ...

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 ...

When we see a plant and its prickly, we automatically assume it is a thistle and therefore it is a bad plant. The Oxford Dictionary defines a thistle as “A widely distributed herbaceous plant of the ...

Thistle can spread quickly and will compete with other plants for water and nutrients. To get rid of thistle, simply pull it out of the soil by hand. Mulch can help prevent thistle from coming back.