A delicious mix of 6 gorgeous plants that will thrive in the gloomiest parts of your garden.   Typical plant choices will be Tiarella - dainty, frothy spikes, Fern for architectural leaf, Helleborus for winter flowering, Convallaria majalis for late spring flowering, Polygantum x. hyrbridum for stunning flowering height and a long flowering Geranium.   These 6 plants grouped together will comfortably fill an area of 1 metre and are chosen to have a long season of interest and successional flowering throughout the summer.