Four o'clocks are tuberous, tender perennials with pink, yellow, lavender or white flowers. The flowers open in the late afternoon, typically around 4 p.m. or so, and then remain open until the next morning. Direct sow after frost, or start indoors 6-8 weeks earlier. Tubers may be dug and stored over winter. Will self-seed.
Mirabilis jalapa, Four O'clock
Height: 1.5'-3'. Spread: 1'. Multi-colored tender perennial. Flowers June to frost. Germination: No pre-treatment.