I wrote about the Multiflora Rose (Rosa multiflora) and giving my mother a part of it for Easter. I have been watching the rest of the plant in the pasture and when it bloomed a couple of weeks ago, I took pictures. This type of rose blooms all at once, then not again for a year, so catching it in the act was tricky. Here are pictures of the rose bush and close-ups of the flowers. Notice it is a single layer of petals. Not like some of the modern roses with complex blooms.
