where to buy celery root
Rating Newest Oldest. Best Answer: in specialty grocery stores they should have and it might be celeriac. you will not find it at farmers markets as it is a fall vegetable and if grown locally should not be available in the spring or summer. Source(s): I grow celeriac/celery root for market in SW Ohio.Ohiorganic Â· 4 years ago. Thumbs up.est Answer: in specialty grocery stores they should have and it might be celeriac. you will not find it at farmers markets as it is a fall vegetable and if grown locally should not be available in the spring or summer.