Do You Cut Back Thistles

You can cut back the basal foliage to encourage re-bloom. If you do not want any reseeding problems, take off the flower heads after the color fades. Globe thistle care is minimal and you will enjoy watching the bees sample the flower’s nectar.

Should you cut back thistles?

Pruning and caring for thistle Being a very easy plant to care for, thistle requires practically no care at all. … Cut wilting flowers off as they die and cut the plant back very short in fall. During the summer season, it’s important to water in case strong of extended drought.

Do thistles come back every year?

This perennial plant spreads and resprouts easily from even tiny sections of its fleshy roots, and dies back reluctantly only after persistent deadheading of the flowers and herbicide treatments. Though most thistles are biennial, Canada thistle is perennial and widespread in USDA hardiness zones 2 through 8.