I have much the same birds as you, or will have when they come the end of the month.Me and my girls picked a bunch of different varieties...wyandote, barred rock, rhode island red, sussex, braham, and easter egger. and one rooster, a jersey giant. I've read they are all cold tolerant and with the winter we had this year they need to be!
3 Red Laced Wyandotts's; 2 Barred Rock; 2 Buff Orpington; 4 Speckled Sussex; 5 Dark Brahma Bantam boys & 2 Dark Brahma Bantam girls; 1 white something; 7 Production Reds; 2 Black Jersey Giant boys; 2 White Silkie boys & 3 White Silkie girls; 3 streight run Silver Laced Wyandotte's; 4 streight run mystery bantams;
AND pullets coming in the mail...
5 Cuckoo Marans; 5 Easter Eggers; and 5 Black Sex Links
I'm not the 'crazy cat lady', I'm the 'crazy chicken lady'.
