At a glance: Tipson Plumcot is a plumcot tree rated hardy to zone 4 in our ratings (winters to -30°F), and not self-fertile, so it needs a different variety nearby as a pollenizer (bloom group 4 of 7, mid for a Japanese or hybrid plum).
Hardy to
Zone 4 to 8. A bare number means the whole of zone 4, colder half included (winters to -30