I only got into gardening towards the end of last year. I already had an established large rosemary bush on one side and I wanted to add colour around it. So u planted a hydrangea on the left side and some Japanese anemone on the right which have since died. This year I have planted a rose shrub on the right side however, i haven't actually dug a bed. They have both just been planted with a hole dug in the grass. Should I try and dig a flower bed around it? How should i rectify this? Any advice please.