Verbena bonariensis is a great herbaceous perennial which grows up to around in height, seeding itself all over the place. Despite its height, it is not a dense plant and therefore can be planted anywhere in the border as you can see through it.
Garden corner with dual-purpose seating. This two-in-one garden seating also includes an overhead arbour. An arbour will make any garden feel special. Train plants around it for added character and choose colourful seat pads to create a comfy lounge area.