Looking for a perennial ornamental grass to take over a 100wide x 50 tall semi steep bank in mn.?I have a bank behind my house in se mn that is covered in weeds and thistles and cockleburs ect that butts up the hill to the neighbors yard.I am going to cut everything down to ground level and want to know what the best and cheapest fast growing type of ornamental grass or bamboo would be to take it over and not... | |