How to Plant and Grow Four O'Clock
Plant Four O'Clock Seeds: Soak seed in water 72 hours prior to sowing. Be sure to change water daily. Direct sow into prepared seed beds in groups of 3-4 seeds spaced 18-24 in. apart. Thin to the strongest plant.
Grow Four O'Clock: Full or part sun. Any soil with good drainage. Better bloom with moderate to regular water. Forms black, carrot-like roots. In zones 7 and below tuberous roots can be dug after the first fall frost and stored in a dry, dark location like dahlias. Flowers attract butterflies, spectacular moths, and hummingbirds. Plants resist drought, rabbits and deer. Flowers are fragrant, open in response to temperature. As the day becomes cooler, flowers open and will remain open until the next morning.