Add mulch to the base of trees & shrubs to prevent moisture evaporation
After a hard frost wrap your tree trunks to prevent winter sunscald damage.
Set up a schedule to winter water your trees. Generally, landscape plantings will need to be watered a couple times a month when the temperature is over 40 degrees.
Shrubs, Perennials & Bulbs
Plant spring blooming bulbs
Cut back perennial flowers - if the foliage is disease free, add the cuttings to your compost pile
Dig up tender dahlias and gladiolas and store for next year
Apply mulch around your roses to protect them through the winter months.
Veggies, Fruit & Herbs
Continue to enjoy the fruits of your labor while the weather holds.
Clean veggie beds and apply a moderate (1" - 3") layer of compost
Extend your season by adding a cold frame around your cool season crops
Annuals
Rough till your annual beds and add a layer of compost