Four O'Clocks (Mirabilis jalapa)

10 Seeds

Four O'Clocks is a colorful, fragrant flowering plant known for its trumpet-shaped flowers that open in the late afternoon and evening. It is a heat-tolerant perennial in warm climates and grows well in Gulf gardens when planted during the suitable season.

🌱 Best Growing Season in the Gulf

• Sow seeds: September–November or February–April.
• Best outdoor growing period: October–May.
• Four O'Clocks grow best in temperatures between 18–32°C.
• They tolerate Gulf heat but perform better when protected from extreme summer afternoon sun.

🌿 Seed Starting

1. Prepare a well-draining soil mix rich in organic matter.
2. Soak seeds in water for 12–24 hours before planting to improve germination.
3. Sow seeds about 1 cm deep.
4. Cover lightly with soil and water gently.
5. Keep soil evenly moist until seedlings emerge.
6. Place seeds in a warm location with bright light.

⏱ Germination

• Seeds usually germinate within 7–21 days.
• Ideal germination temperature is 18–24°C.
• Once seedlings appear, provide sufficient sunlight to encourage strong growth.

🌱 Transplanting

• Transplant seedlings when they reach 10–15 cm tall and have several true leaves.
• Space plants:
  • 30–45 cm between plants.
• Choose a location with good drainage, as wet soil can cause root problems.

☀️ Growing Conditions

• Sunlight: Full sun to partial shade (4–8 hours daily).
• Soil: Fertile, loose, well-draining soil. Adaptable to many soil types.
• Watering: Water regularly during establishment. Mature plants are moderately drought tolerant.
• Fertilizing: Apply compost or a balanced flower fertilizer every 4–6 weeks during active growth.
• Remove faded flowers to encourage continuous blooming.

🌺 Flowering

• Flowers usually appear 8–12 weeks after planting.
• Blooms open in the late afternoon and release a pleasant fragrance.
• Available flower colors include pink, yellow, white, red, and mixed shades.

🌡 Gulf Climate Tips

• Plant during the cooler months for stronger growth.
• Provide afternoon shade during very hot summer periods.
• Apply mulch around plants to keep roots cooler and conserve moisture.
• Avoid overwatering during humid periods.
• The underground tuberous roots can survive warm climates and regrow in suitable conditions.