An illustrated hourly guide that spotlights twenty-four flowers as they attract pollinators, resist predators, and survive on our changing planet. Is it 4 AM or chicory o-clock? In this short book, botanist and award-winning author Sandra Knapp walks us through a day in a global garden. Each chapter of Flower Day introduces a single flower during a single hour, highlighting twenty-four different species from around the world. Beginning at midnight in the Americas, we spot the long tubular flowers of the moonflower, Ipomoea alba; they attract a frenzy of hawk moths before the dawn arrives and the flowers wither and collapse. As day breaks, dandelions and chicory open their heads-actually made up of many individual flowers tightly packed together-and flies and bees visit to get the energy they need to lay eggs and raise their young. Later, at eight o-clock in the morning, the sun rises over the watery Amazon basin, and we meet the giant waterlily, slowly turning from white to pink and pu