perennials for shallow soil
We live in SE CT - the area of stone walls and rocks. When we moved in, we created a new perennial garden which for the most part is doing quite well. There are a few areas within the garden that have very shallow soil over rocks. These are not removable rocks, they are boulders! The perennials around the area are 12 - 24" tall, so very low growing plants would get lost. Any thoughts regarding perennial varieties that might do well in shallow soil? The garden is in full sun, and the area in question is probably 5 feet in diameter.
Thanks for any ideas and thoughts!