Wild geraniums

Despite spending a lot of time digging out wild geraniums last year, they seem to have gone bonkers this spring/summer. Think I need to remove them now and only leave a couple of clumps. Sad though as the wildlife loves the the flowers and they are pretty,, but they are somewhat taking over and I'm not too keen on the smell.  Is this a spade and fork job, and some elbow grease or is there a better time in the year to take them out? I don't want to use any pesticides to look after everyone in my garden . Thanks!#newbiegardener