QuestionsHow to growLawnsWeedswild violet spreading all over lawn 0 Vote Up Vote Down colette obroin asked 16 years ago Any suggestion to stop the spread and get rid of them. Thanks Gerry. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Apart from leaving them be or digging them out by hand, the only solution is to apply lawn weedkiller containing mecoprop in April or May.