In this video, we explore the growth of Selenicereus undatus, also known as the white-fleshed pitahaya or dragon fruit. This ...

The saguaro cactus is the iconic plant of the Arizona borderlands, and in June and early July, its fruit ripens.

Across the globe, certain flowers exhibit the rare phenomenon of blooming only once in their lifetime or infrequently. These ...

The vanilla species grown for its flavoring is finicky. Genes from its wild relatives could help make it hardier — but not if those cousins go extinct.