3180- Shungiku greens. Also known as the Garland Chrysanthemum or Chop Suey Shungiku. Tender edible greens and flowers have a unique zesty flavor. Seed directly in garden when danger of frost has passed. Requires warm, moist conditions to thrive. Can reseed. Harvesting tips. Harvest at 6-9 inches to use the whole plant, or clip leaves and flowers from a larger plant.