Paw Paws (Asimina Triloba) -Canadian Hardiness Zone?

Name: 15 Ways to Garden Large in Small Spaces – Presentation to Canadian Federation of University Women (North Toronto)
Start: 2022-04-12T19:00:00-04:00
End: 2022-04-12T21:00:00-04:00
Location: Glenview Presbyterian Church

Hi! I recently received a catalogue from an Ontario nursary that sells Paws Paws, most of their varieties are listed as ZONE 5 (one is listed as zone 4-5) … OK so I’m in a solid 5b in the very…