Four o'clocks come in a variety of shades and colors. They bloom in summer through fall and may have a strong, sweet-smelling fragrance when open (but sometimes have no noticeable scent).

How long does it take for 4'o clocks to bloom from seed?

Make sure that the soil is thoroughly moist, but not soggy. Note that the seeds will usually sprout within 7 to 14 days, depending on how warm the temperatures are. Warmer temperatures tend to mean quicker germination. It is crucial that the soil remain moderately moist while the seeds germinate.

Do 4 Oclocks come back every year?

They grow perennially within U.S. Department of Agriculture plant hardiness zones 9b to 10a, where they will tolerate drought, heat and poor growing conditions with ease. Four o'clocks produce an abundance of seeds each year that can be used to grow new plants.