Look up lovage and you will discover that it has properties of celery, parsley, and fennel. Roots, stems, leaves, and seeds are all edible. Lovage has been prized since antiquity, and probably long before. So why can't we find it in the grocery store? Apparently it can't compete when celery, parsley and fennel are easily available. Lovage has escaped in CO, CT, MA, ME, MI, MN, MO, NJ, NM, NY, OH, PA, VT, WI, NS, ON, QC, and SK. Beal Garden MSU, 6/4/12. Celery family, Apiaceae.