cortensteel edge around the triangle add the following plants three miscanthus sinensis yakushima dwarf just left of the middle just right of the middle a strip of multiple persicaria amplexicaulis blackfield festuca glauca elijah blue in a row along the complete rightern edge and also some on the left edge heuchera obsidian in front of the miscanthus and in front of he periscaria the left and ajuga reptans black scallop to fill the gaps and along the other edges
