Comment by jrgd

and that's the canadian version; for those living up-north and frustrated like me to not be able to see something continent-wide

http://planthardiness.gc.ca/?m=1

i would love to see something for the south as well (just quickly googled) https://davisla.wordpress.com/plant-zones/south-america-plan...

I'm unsure though if they receive an update recently or if they will anytime soon