If the weather isn’t too wet, you can sow some vegetables outside as long as they have some cover from a cold frame or sturdy cloche. You can plant lettuce, onions, early leeks, cabbage and even peas if you can provide them with enough shelter. If you are planning to grow potatoes this year, you can chit the tubers now as well. If you don’t have enough room to grow potatoes in the ground, you might consider growing them in a potato bag or box. The plan is very simply to add a layer of earth (held in place by a new layer of planks) whenever the shoots show above the ground. This gives a long length of underground stem for the tubers to grow on and you can dig them all at once as a maincrop or as you need them as new potatoes. There is nothing quite as gorgeous on a plate as a potato dug moment before it hits the boiling water!
Moose Seeds gardening blog