Also I use a portable light that I stick inside the coop to help new birds see where the roost bars are at night. They become reluctant to go inside the coop but when it gets really dark they follow the light inside the coop. Just takes time and repeated efforts to get them use to it.
Do you have separate areas for the two breeds to sleep in?
English Orpingtons should have low roost bars to keep them from getting hurt jumping off there roost. And this is because of there weight.
Swedish flower hen roosters are aggressive to other chickens that don't look like them. They...