Why Some Flowers Only Smell at Night

This article was originally posted on RealClearScience.

“Mary, Mary, quite contrary, how does your garden grow? With silver bells and cockle shells, and one measly petunia!”  –Curly

Curly Howard didn’t think highly of petunias, but had the Three Stooges spent more time gardening, they would have known that petunias are most fragrant at nighttime. Now, scientists have figured out the reason why. Continue reading