The healthiest and most climate-conscious food is local, and organic, and in-season. A vegetable garden in the backyard ticks all of those boxes. For many, it sounds like a cool idea, but without a green thumb it can feel intimidating to start. It's not hard start a garden from scratch or decide what to plant to maximize yield. It's a good idea for the planet and for your body. It might seem early, but the experts say the planning starts now if you want to be ready to plant after the last frost.