-- After they die back for the year, add heavy winter mulch to more delicate "tropical" plants: Curcuma elata, "Scarlet Fever" curcuma, Mexican purple sage. (What about elephant ears, night-blooming jasmine, etc.?)
-- Rake leaves and pile on raised vegetable beds for the winter. Put some in certain flower beds, too-- particularly the ones with less-than-ideal soil, such as the semi-shade garden area.
-- Mulch, mulch, mulch.
-- Transplant "cemetery iris" to somewhat sunnier location.
-- Remove unwanted undergrowth along the "natural" border outside the front yard.
-- Transplant the forgotten camellia(s) on the edge of the woods.
-- Check out recommended times for pruning various plants. Autumn or winter may be good for some of them.
~~Prune once-blooming roses in late summer/early autumn.
~~Prune re-blooming roses in early spring.
~~For the roses that are spindly and not very well leafed-out, should I cut to the ground?
~~Climbers: Preserve the framework as much as possible. Cut the off-shoots to 3"or so.