When planting a sunny border, try to include some plants with strong vertical flower spikes. These will draw the eye and add drama to your scheme.
Red, yellow and orange are hot colours. They will make a garden appear smaller.
Blue, mauve and green are cool-calming colours and will make your garden seem larger.
White flowers with grey foliage are indispensable for separating conflicting colours.
A Cotinus Grace 
B Calamagrostis x acutiflora Karl Foerster
C Helenium Moerheim Beauty
D Sedum herbstfreude Autumn Joy
E Veronicastrum virginicum Album
F Salvia x sylvestris Mainacht
G Achillea Terracotta
H Kniphofia Little Maid
I Deschampsia cespitosa Goldtau
J Lavendula angustifolia Hidcote
K Ballota acetabulosa