Posted: 31/07/2012 at 22:21
I spent 5 years a long time ago getting rid of a ground-cover hypericum - it was extremely persistent. As to Japanese anemones, I am still paying the price for planting just one plant some years ago - it is even trying to come up through concrete. Visiting Wisley a few days ago, I was amazed to see huge swathes of Japanese anemones in the borders near the new conservatory. They looked attractive at the time but how on earth will they be controlled? As to golden rod, I not only suffer from seedlings from the next-door neighbour's garden, but worse still, an RHS expert told me that golden rod is an eelworm host. He explained that the near-death of a 10 ft square of phloxes my side of the fence is the result of the proximity of the golden rod planting the other side of the fence.