5.8K views · 87 reactions | Amsonia ‘String Theory’, a hybrid of hubrichtii, is putting on a show in the Shida Evaluation Garden. This herbaceous perennial adds a finely textured element to the landscape, and transforms into a stunning golden hue during fall. Its large amount of slender leaves are what give it the ability to catch the air and sway with the wind. | Chicago Botanic Garden | Facebook