It's easy enough to begin the process of growing snapdragons – all you really need to do is fill a seed tray with compost and ...

And though they are grown as annuals, the plants are actually tender, short-lived perennials. Over a decade ago I began to notice snapdragon plants surviving the winter to grow and bloom again.

Dudareva has been studying floral scents in snapdragon, which she selected because it is one of the few modern plants that have a strong floral scent. "Most scientific work has been done on a ...