Posted: 21/09/2014 at 14:05
If they're foxgloves they'll pull up easily and be gone, though more may germinate.
It looks more like green alkanet to me. This has much deeper roots and it not removed easily but a dose of glyphosate will do it. There are plenty of growing leaves there now. Glyphosate works on strongly growing leaves. At this time of year it takes a long time to show effects but works well.