rare Potato Alternativeeffective Windbreak While Growingbig Harvestsprovide A Natural Windbreak On Your Vegetable Plot Through The Summer To Protect Nearby Tender Crops From Damaging Winds and Then Harvest Potato-like Underground Artichokes In The Autumn For A Satisfying Side-dish To Accompany Warming Meals As The Season Changes. Expect 3m Growth With Beautiful Bright Yellow Flowers.at Harvest Time Expect About 2kg (4lbs) from Every Plant. Jerusalem Artichoke Fuseau Produces Artichokes That Are Larger And smoother-skinned Than Regular Jerusalem Artichokes Making Them Easier To Peel. Why Not Try Them roasted With Pork Or In A Hearty Broth As An Alternative To Boiled potatoes?