Fall seems to be upon us — here’s my evening walk the other night — the colors are changing all up and down the valley, it’s getting dark at a reasonable hour again, and there’s a tell-tale snap in the air. It’s actually beautiful today, sunny and warm, but not blazing hot like it’s been all summer. And yet, I’ve  spent the weekend pulling up all the tomatoes, the peppers, transplanting the two “Granpa’s pepper” (a Siberian ornamental with blazing hot fruits), putting up chives and mint in pots, transplanting the geraniums back into their winter windowbox. They say the…