I'm feeling much better with this rose than with the Sweet Pepperbush. (I am a bit sad letting it go but there is always next year.) A few large petals can work for me. Here's an experiment with color--Permanent Rose for a base; Permanent Alizarin Crimson for the shadows; Cadmiun Orange as a light wash to tone everything towards salmon.
Next up is some serious sketch work to pull everything into alignment and correct some details. After that, I can transfer and paint to my heart's content! :-)