Eriisa: I know roses love to be pruned every spring.. did you try some Miracle grow to help them..
As far as acidic soils go.. can't you plant like Tomatoes next to the area you are wanting to grow the bamboo..?? I know that most gardeners rotate certain veggies due to balancing out the levels over the years..
(hide) If you only look at some of the discussion boards on a regular basis you can add them to your favourite boards list by going to the Board page and clicking "Add to my favourite boards". (pauloaguia) (show all tips)