When Will Musk Thistle Stop Bolting?

Musk thistle shoots stop bolting (elongating) around the time when the first flower head shows. Flowering begins in May and lasts through August. Musk thistle produces seeds about 50 days after it bolts, and dies after its seeds mature.

Keywords: musk thistle, thistle end bolting, biennial herbs

About this Author

Janet Teas has been writing professionally since 1993. She is an architectural color consultant, avid gardener and decorator. She has written home and garden articles for publications such as "Better Homes & Gardens," "Hometown Cooking," "Country Woman" and "The Essential Herbal" magazine. Teas received a Bachelor of Music in music education from Bowling Green State University.