Plum Blossoms

We have two native plum trees here in North Central Florida and there are several more in other parts of the state. The Flatwoods plum and the Chickasaw plum are common here and are beginning to flower. I'm not sure which of the two these blooms are from because I'm not able to tell them apart. We have both varieties in our yard but these flowers are on a neighbor's very young tree.
Wishing All an Enjoyable Weekend.