But your reaction to a color also depends heavily on where you live, where you were raised, and the context within which you experience that color. In China, red means luck and fortune. In the United States, red represents danger; it means to be alert or to stop. If you walk into a red room as someone from China, you might feel lucky; in the United

red roses (for passion) and white lilies (for purity).

Like so many botanical concepts, the flower clock originated with the Swedish ur-taxonomist Carl Linnaeus, in his 1751 treatise “Philosophia Botanica.” Based on field observations, he divided flowers into three categories. The meteorici open and close with the weather. The tropici follow the changing hours of daylight. And the aequinoctales,