They begin with a pinkish color but change to dark red which can look nearly black from a distance.
I asked the expert in my home, SWMBO, what they were. She didn't know. I asked if they were Flowering Plum trees. She said they were not. Then I went to the Interwebs. Guess what? Flowering Plum.
Here is a somewhat murky attempt at a macro look at the leaves.
Then nearby was this little bush, covered with yellow posies, so far unidentified.
And finally, one of the banes of this area. Can you guess what it is?