It needs an expert in Cherries to begin to id them.

A photo of the WHOLE plant would help, as well. That usually is the best way to start, and then take gradually closer images of the component plant parts.

Cherries (Prunus sp.) are a diverse genus, and one can often narrow the field of possible choices by seeing the form presented by the tree's growth habit.

I didn't take a complete shot, but I think this could be similar:



This one (in the photo above) actually turned completely green in the last couple of days: