It is so important to prune hydrangeas correctly to make sure they bloom! There are three kinds of hydrangeas that need to be pruned at different times. Look here to see what you should do for the plants in your yard.
Lily-of-the-valley is a tough, low-care groundcover you can plant in shady spots. It has a lovely fragrance and nodding white or pink bell-shape flowers. There is also a variegated leaf variety. Lily of the valley is poisonous
"An all-time favorite perennial. The sweet scent of Lily-of-the-Valley will fill the garden in early spring. Each stem produces as many as 25 blooms. Easy to grow in shady areas, but will also thrive in partial sun.~lilies of the valley smell amazing!