Is this blackberry or rose sprout?

Question

I had climbing rose next to this. Late last year I pulled a bunch of seeds and buried near this area:

I am in Pacific Northwest.

Is it blackberry or rose?

Answer 1

Those are leaves of a rose. This photo is a decent image of a blackberry leaf. Note that the leaflets are irregularly shaped, with the first pair larger than the second pair, unlike a rose where the first and second pair of leaflets are nearly the same size. The red edges of your leaflets are also typical of roses.