A few golden trees at the edge of the field are tossing in the rainy wind today, but in general, most of the autumn color is gone from my garden. I was happy that the asters and dahlias stayed in bloom for so long. I’m happy with the rich red of my sourwood, of the sweetspire, the burgundy cotinus and the now-bare blueberries. It struck me that I have a pretty good fall garden.However, upon spending a few…