Rose leaves showed low values of transmittance and reflectance of violet (400–455 nm) and blue (455–500 nm) light, higher levels in the green region (500–580 nm), followed by a decrease from the yellow (580–600 nm) to the red light (620–700 nm) and drastic increases in the far red (from 700 nm) (Fig. 1). Consequently,absorptance was higher from 400 to 500nm and around 670–690nm (with two shoulders under shorter red wavelengths) and showed a large depression from 500 to 580nm and a drastic drop from 700nm (Fig. 1).