110 days. Celeriac is a wonderful plant! If you are someone who loves celery in your cooking, but also wants to eat more seasonally, celeriac is your answer. Excellent in any cooking in which you might use celery, except perhaps for “ants on a log”. Brilliant Celeriac produces a large, white bulbs and stores well. Each seed packet contains approximately 200 untreated open pollinated Brilliant Celeriac seeds.