Answer: 'Envy' is a green zinnia available through Burpee. Park Seeds has Rudbeckia Green Wizard and an interesting Nigella Black and Green marbles. There are a number of green gladiola varieties. Try Jung, J. W., Seed Co. http://www.jungseed.com or Summerville's Gladiolus 801 Bridgeton Pike, Mullica Hill, NJ USA 08062, Telephone 856-223-1687. A plant source database search did not find the lisianthus or the tulip.
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