is it normal a 9 month old splash Orpington has not start laying?

[puch]

along with a 9 month old mix breed, and a 8 month old black sex link. I have never seen them trying to lay, going to nest box. no signs of laying.

 

[nuthatched]

Are their combs big and red?

 

[puch]

the Orpington's comb is big but not quite red.
the other two's combs are smaller than others