This year there were a lot of peonies, including a woodland peony, for sale at the Bridge of Flowers Plant Sale.  This is a testament to the health of the peonies on the Bridge and in our gardens. They thrive and eventually have to be divided. In the olden days, peonies were cut back and divided in the fall then replanted into a sleepy autumn garden. Nurseries sold peony roots in the fall and gardeners spent the…