4 Oclock Flower Germination. Keep the soil moderately moist in the top 1 to 2 inches while the four oclock seeds germinate. The plant likes to grow in an average soil that is slightly acidic to neutral pH 6 to 7.
Plant Four Oclock seeds directly into the garden just before the last frost in your area. Plant seeds in rich well draining soil. Sow the seeds 6 inches apart in all directions and keep the soil moistened to 6 inches during germination.
Jan 26 2019 The flowers remain open throughout the night and into the morning when temperatures rise and the flowers wilt.
Four Oclock plants are typically grown from large seeds making them easy to plant. Jun 17 2021 Four oclock flowers are trumpet-shaped blossoms that bloom in the evenings. Cover seeds lightly with soil and press gently. 4 Oclocks like a neutral soil though they tolerate slightly acidic soil as well.