It is a member of the sunflower family - a close relative to the wild sunflower that grows in many parts of Saskatchewan. Any soil that grows good potato crops will also grow good Jerusalem artichokes. A deeply worked soil which has had an adequate amount of well-rotted manure added is ideal. Planting The small, rough tubers similar to potato tubers are planted whole or cut. Leave at least one eye per piece.
Planting is done in early spring.
The watering and fertilizing requirements for horseradish also apply to Jerusalem artichoke. Harvesting Most of the tuber growth occurs in late fall. Therefore, as with horseradish, delay harvesting until late September. Dig carefully to avoid damaging the tubers. Damaged tubers will soon spoil in storage.