QuestionsHow to growVegetable GrowingKohlrabiKhol Rabi planted last Nov. 0 Vote Up Vote Down velma mercer asked 14 years ago My khol rabi plants which i planted last november, have small bulbs now, but are beginning to flower. Will they continue to enlarge, or is it eat-up time? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 5 years ago Kohlrabi overiwntered with flower now and the bulbs may be too tough to eat.