Cut Buddleia back by half to prevent it being damaged by windy weather or heavy snowfall. Wait until next spring to cut it back hard.
Plants like Crocosmia and Hemerocallis with strap like leaves can be cut back while still in the green and before the frosts turn the foliage wet and slimy.
Are squirrels digging up your tulip bulbs that have been planted in pots? Covering the surface of the compost with a 2cm layer of grit was found to be the most effective deterrent. (As trialled by Gardening Which? Sep/Oct 04).