Autumn glory begins to glow in September. I’m thinking about the ACDs of the autumnal garden – asters, chrysanthemums and dahlias. There is a lot of bloom left in the garden year. The wonderful thing about asters, chrysanthemums and dahlias is that they come in so many sizes, forms and colors. One hardly knows where to begin. Autumn glory comes in many sizes. I have three asters in my garden. There is a tall New York (Symphyotrichum novi-belgii)…