In this in-between time for gardening and while waiting for the Spring, use container gardening, even indoors. Grow a mix of seeds like radishes and kale, or maybe sprout some mung beans or beets. They can produce healthy young plants quickly, and you can harvest the tender shoots as they grow, allowing them to continue to produce for several weeks. I like this easy how to page on growing salad in pots:
Do you need a container for your deck or patio that would hold more plants than a single pot? Try a compact and efficient UrBin Grower garden container, which has great drainage and water-from-below trays to make your plants grow deeper roots and last even longer.