“FOUR O’CLOCKS” ARE AN OLD-FASHIONED ANNUAL FLOWER, WHOSE NAME COMES FROM THE FACT THAT THE FLOWERS OPEN IN THE AFTERNOON. THE BRIGHT YELLOW TRUMPET SHAPED BLOOMS STAY OPEN FROM LATE AFTERNOON, AND ALL NIGHT UNTIL MORNING, WHEN THEY CLOSE AGAIN. FOUR O’CLOCKS ARE VERY HEAVY BLOOMERS AND GROW VERY QUICKLY. FOUR O’CLOCKS BLOOM FROM LATE SPRING TO EARLY FALL, AND THE FRAGRANT FLOWERS ARE SURE TO BE SOMETHING THAT HUMMINGBIRDS AND BUTTERFLIES WILL NOTICE!