Chrysanthemums are flowering plants native to East Asia. These edible flowers are often used as both a garden decoration and natural pest control, but they also have culinary applications.

This year's chrysanthemum × morifolium ‘Susono-no-Hikari’ has 1,366 yellow flowers. It's 12 feet wide, the widest grown at Longwood Gardens. A lot can go awry when growing largest ...