Read gardening books and plan this years garden. ( I read gardening books every winter)
Go through seed collection and see what needs to be ordered and toss what is too old.
Order seeds, plants and trees now for best selection
Clean and prep seed starting space and equipment
Clean organize any inside space. (this is my major winter project)
Learn to grow and use sprouts
Buy a kit and make something: Knives, mushrooms, beer, etc....
Make your document package (might be easier when you are going through everything for taxes) I need to do this once I get things a little more organized....
Start on the 13 in 13 Skills challenge.
I am learning to crochet a blanket for my first skill of the year.