(if I manage to post this without getting told there was s problem grrrrr! )I have s north facing shady border, into which last year I planted lots of wood anemones, pulmonaria, a bit of comfrey& 3dicentra.all that is there now is 1dicentra! It does get very little sun, it's under lots of vlimbers( which I really pruned in late winter & lifted up by 2feet, the trampoline is in front of it too creating even more shade, 1; where have all my plants gone?! 2what can o put in there? We have lots of slugs& snails, advice vice appreciated, hate looking at bare soil!