Posted: 03/03/2016 at 17:50
grasses and heleniums make a splendid summer scene. Throw in a couple of verbena bonariensis too
hellebores for early spring, daphnes,,mahonia soft caress for winter, yes, camelias for now, and dicentras for mid spring.
one perennial I like a lot and it seems under used is euphorbia polychroma. A dome of chrome yellow flowers in May/June planted next to a dwarf berberis atro nana makes a superb display then.
if your soil is reasonably good check out astrantias....long flowering domes of pink or red. If any part is moist astilbes will give plumes of summer colour over copper coloured ( if you choose right varieties) spring foliage
However, a photo would help