My painting of the Cornelia Rose (left) was done a few years ago and was copied from a gardening magazine photo. I was attracted to the pastel colours of the petals, as I had not worked much with a pastel colour scheme, and wanted to see how I could paint the lighter/ almost white coloured flowers using a more muted colour scheme than I normally use. The dark green background helps to bring out the musky pastel pink tones, and I found that I needed to actually incorporate a rainbow of colours into the scheme to highlight the muted pastel tones. I wasn't sure about the outcome at first, as it was a slight departure in style for me at the time, but it sold reasonably quickly and looking at it now, I can see how it captures the musky pastel tones of the original roses.
On the right is a painting of a pink rose macro style by Georgia O'Keeffe. It's not a Cornelia Rose, but I like the modernist way she abstracts the flower form by painting in the macro style. I always try to incorporate this style and approach with my large rose paintings.