Hello and welcome to BYC! 
Wynonna sounds like a sweet gal! Senior hens need special care to survive brutal cold temps. Definitely use added heat and have her sleep on the floor in deep bedding to keep her feet warm. When in doubt, bring her inside at night, it could save her life.
Welcome to our community!

Wynonna sounds like a sweet gal! Senior hens need special care to survive brutal cold temps. Definitely use added heat and have her sleep on the floor in deep bedding to keep her feet warm. When in doubt, bring her inside at night, it could save her life.
Welcome to our community!