Well the redhaven peach may have potential (thanks Deb) but those are grown in the okanogan, that's a good three zones warmer than me, so it would take some serious garden trickery (fruit wall, huge mounds or something). There are mini types that can grow in containers, those would be good in a greenhouse. Perhaps a graft onto a hardy plum root stock... Lol I'm too lazy and cash restricted for any of that though.
What zone are you in? BC looks like it's a few zones. Reliance and Contender are the cold hardiest I've seen, zone 4. Red Haven is zone 5.