All three have flowers very similar to dandelions, so you might think they are just dandies with long, long stems. Like ...

Plant globe thistle and sea holly in the hottest, driest part of the garden. They are excellent choices for butterflies and other pollinators, xeriscape (low-water use) gardens, naturalized areas ...

The flowers of the thistle Carlina corymbosa are, on average, about 3 degrees Celsius cooler than the surrounding air, ecologist Carlos Herrera reports February 13 in Ecology.

Part of its scientific name — Salsola — comes from the Latin word for salt, ... In its young stages the thistle is a bright green, succulent plant, ...

The plant also affected native vegetation and wildlife, preventing them from thriving in infested areas. Russian thistle can spread prolifically and while it has its own very effective natural methods ...

Musk thistle flowers in May and June in the eastern part of the state. This time of year musk thistle is usually dried up and has fallen over, Meyer said. Tall thistle is generally no taller than ...