20 Perennial Veggies You Can Plant Once & Harvest for Years Grow smarter, not harder. These resilient veggies return season after season, saving time, money, and effort: Asparagus, sorrel, rhubarb, chives, globe artichoke Horseradish, lovage, chicory, watercress, garlic Radicchio, Egyptian onions, groundnut, Jerusalem artichoke, angelica Capsicum, ostrich fern, sea kale, beans, wild leeks Tip: Mulch well and leave roots undisturbed to keep them thriving for decades.