Polyanthus plants, sometimes known as primrose, are a spring plant that offers blooms in a rainbow of colors. There is a difference between a Polyanthus and a Primrose. A primrose has one flower on a stalk, but a polyanthus has many.
Passion Flower Vine* Exotic flowers like these don't have to be limited to tropical gardens. A vigorous perennial vine that climbs via tendrils, the passion flower can be a conversation piece in the garden.
The legend of the name forget-me-not: A medieval knight and his lady were walking beside a river. The knight held a bouquet in his hands. Because of the weight of the armor, he fell into the water. He threw the bouquet to her, saying, "forget-me-not.