Biohacked Blooms: the Nerdy Gardener's Dream?

Flowers that change color in the garden aren’t a new idea. Just ask hydrangea lovers. But petunias that change color in 24 hours are new. It’s not science fiction, a Colorado-based science duo have already produced a petunia that blooms red when watered with a special solution, and then goes back to blooming white when watered with normal water….