Round Leaf Shingiku, Garland Chrysanthemum, Edible Chrysanthemum. Annual. Zones 2-11. 4ft tall in bloom. Tasty, mildly bitter edible leaves and flowers. The leaves are popular in Japanese stirfries where they are known as ‘chop suey greens’. The petals can be scatted on salads or used as stunning garnish to brighten up the plate. Blooms from spring to fall.