My rutabagas have been growing since the first week in September. How long does it take to fully grow rutabagas?
Certified GKH Gardening Expert
As far as I know, it shouldn't really make a big difference either way. I think it's a matter of personal choice. To experiment, however, you might want to try cutting the flowers from one plant and leaving them on another to compare the results come harvest time. Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/vegetables/rutabaga/planting-rutabaga.htm