"late bloomer's"
Looks normal to me, in terms of uneven growth rates between plants.
Thank you for the information guys , i replied on this post because i let the buds to grow a bit more and you can have a better picture. Also i had the photos to actually see them , this time.Looks like some are leaning more towards sativa’s, they often have less dense buds, and take longer to mature. Don’t sweat it, theres really not much you can do, give them time, they’ll be what their genetics let them be. What strain(s)?