Jerusalem artichoke Fuseau bulbs. A much under-rated vegetable which has edible tubers that have a potato-like texture and are delicious. Originally from North America, Jerusalem artichoke is a member of the daisy family and is closely related to the sunflower. Plant the tubers as soon as possible 30-40cm apart in soil that has had added organic matter. The plants make an excellent screen or windbreak and the tubers are ready to harvest from between October and early spring.