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 ...

It’s called “Blue Chrysanthemum,” and since it went on view around Thanksgiving I’ve been drawn back to it half a dozen times. Why did a single flower magnetize me? What can a flower — o ...