This plant makes a splendid contrast to most other flower forms in the perennial garden. Globe thistle produces long lasting masses of globular, spiked, violet-blue flowers on solid tall 75-90 cm (30-36″) stem. Thistle-like foliage is finely cut with a saw-tooth shape tipped with not too prickly spines. A pollinator favourite – in particular bees! Other than cutting down the stems after flowering is finished, Globe Thistle is about as a low maintenance a plant as it gets! Hardy to Zone 3.