Cabbage heads generally range from 0.5 to 4 kilograms (1 to 9 lb), and can be green, purple and white. Smooth-leafed firm-headed green cabbages are the most common, with smooth-leafed red and crinkle-leafed savoy cabbages of both colors seen more rarely. It is a multi-layered vegetable.
1 The average age to stop swaddling baby is around 3 or 4 months of age.  Newborns are born with a startle reflex, called the Moro reflex, and most babies donât outgrow it until 4 or 5 months of age.
How to prevent the rolling phase. There are some ways we can seemingly prevent this phase (or at least, delay it as long as possible so that hopefully by the time the phase hits, baby is efficiently rolling both ways). A few tricks are: Swaddling baby. Keep your baby swaddled for as long as possible. Until baby is able to roll in the swaddle, you can continue to keep her wrapped up. This often prevents baby from rolling in the crib (ensure that the swaddle is nice and snug as this makes rolling even more difficult).