January
Carnation
February
Iris, Violet
March
Daffodil
April
Daisy, Peonies
May
Lily, Lily of the Valley
June
Rose
July
Delphinium
August
Dahlia, Gladiolus
September
Aster, Forget-me-not
October
Calendula (aka Marigold)
November
Chrysanthemum
December
Poinsettia, Holly, Narcissus, Paperwhite