March, April, May 

Acacia, allium, anemone, asclepias, banksia, columbine, daffodils, delphinium, foreget-me-not, flowering branches (cherry, forsythia, magnolia, peach, quince, redbud), fritillaria, hellebore, hyacinth, iris, larkspur, lilac, narcissus, nigella, orlaya, peony, Icelandic poppy, pussy willow, ranunculus, snapdragon, stock, tulip, wallflower, waxflower, sweet pea, sweet william, sweet rocket, vibernum

*Sourced from Colorado, California, Ohio, Oregon or Florida.