When you stroll through a nursery with your wife and she points to a plant and says, “I want that,” you gladly comply with her request. It happened a few days ago when the object of my wife’s desire ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

It is a vigorous, perennial climbing vine, a blue wonder, commonly seen in many a garden. Now, however, there is evidence that it is an invader and though there are several species of thunbergia, here ...