A good place to find suggestions for worthy trees to plant in your region is to asks the folks at a sizable nearby *independent* garden center. They know what thrives where you live.

Short-lived as trees go, but it'll usually outlive most people.

Nice in flower, but a rather dingy purplish-brown for most of the summer, leaves often somewhat chewed up by insects and/or fungal disease. Untidy twiggy crown, and a strong propensity to send up swarms of rootstock suckers (plain green Prunus cerasifera, with white flowers). Fruit edible, though not very exciting, usually rather bland; good for adding colour to plum jam though.

Resin

Many kinds, with differing characteristics have been selected over the years. Maybe you'd like to try this one. Usually offered incorrectly as 'Hollywood'. Garden centers here in Seattle area sell it, as do mailorder suppliers elsewhere.

Here is a link that might be useful: Article - 'Spencer Hollywood' Plum by Arthur Lee Jacobson