KnowraKohlrabiLinked fromLinked fromThe 2 pages that link to Kohlrabi, each with the reason it gives.All 2Compared with 2CauliflowerCompared with: Unlike cauliflower, kohlrabi is selected for a thickened stem.CeleriacCompared with: Both are swollen stem vegetables, but kohlrabi grows above ground and tastes different.