Celery and celeriac hardiness Community › Community › General Gardening › Sowing and Growing › Celery and celeriac hardiness Tagged: Celery hardiness This topic contains 1 reply, has 2 voices, and was last updated by Cleansweep 2 years, 8 months ago. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 28th March 2019 at 10:23 pm #52654 alParticipant Hi second q sorry! Will my newly pricked out seedlings be OK in an ingested greenhouse? Running out of indoor space! Thanks Alastair 30th March 2019 at 6:58 pm #52676 CleansweepParticipant Needs to be frost free . Watch out for the coming week if you are in S England!! Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.