Herbaceous borders always work well on either side of a path, as the perspective effect gives a sense of depth. Lavender edging associates well, contains the profusion of flowers, and ensures some winter interest.  

Above. English Roses, such as Rosa 'Ferdinand Pichard', have the shape and scent of a true old-fashioned rose, but flower all summer. They're a great addition to the planting plan in any herbaceous border.

Below. Looking back at the herbaceous border shows how repeating plant groups, and a restricted pallette of colours, creates balance and a sense of order.