How to Grow Jerusalem Artichokes

Growing Jerusalem Artichokes - How to Grow Jerusalem Artichokes from Allotment Vegetable Growing Advice and Guides: "In the autumn the foliage starts to change colour and should be cut down to about 30cm (12') above the ground as a marker. You can leave them in the ground to dig as required. They are quite a productive crop, 3kg from one plant is typical so you don't need many seed tubers."