If I asked a gardener to give me a list of flowers that bloom in the fall, she might sigh and run out of names after chrysanthemums and asters. But there are many plants that will bloom well into October.  Not only perennials bloom in the fall, but even a few annuals like my nasturtiums and marigolds. We are all familiar with the potted chrysanthemums that are available in September and October at garden centers and supermarkets. These…