Now is the perfect time to buy seed potatoes. The first step is the chitting stage, then planting and then harvesting! (see above)
Click the links below and follow the step-by-step guides on planting seed potatoes, whether you're planting them in the ground or in a bag.
How to grow potatoes in the ground- http://www.thompson-morgan.com/how-to-grow-potatoes-in-the-ground
How to grow potatoes in a bag- http://www.thompson-morgan.com/how-to-grow-potatoes-in-bags