The common thistle with sharp prickles on its leaves (part of the Asteraceae family).
A vigorous grower with deep tap roots and a habit of seeding prolifically.
For best results, spray when it’s actively growing, but before it flowers with Resolva 24H, Resolva Path & Patio or Resolva Xtra Tough.
On lawns use Resolva Lawn Weedkiller.
