Endless Summer Hydrangea macrophylla is one of the most famous rebloomers. Introduced in 2004, it allowed gardeners in Northern climates to be able enjoy hydrangeas in their gardens. It features big mophead clusters of blue or pink flowers and grows 5 feet tall and wide. Zones 4-9
Forget-me-not. A legend about the origin of the name forget-me-not is as follows. Once a medieval knight and his lady-love 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. According to the legend, he threw the bouquet at her shouting forget-me-not.