Melkor was more interested in and capable of dealing with a volcanic eruption, for example, than with (say) a tree. It is indeed probable that he was simply unaware of the minor or more delicate productions of Yavanna: such as small flowers.
~ JRR Tolkien in "Myths Transformed", History of Middle-earth vol. X, Morgoth's Ring.
Written for International Poetry Month, April 2010.