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What Are the Different Types of Poinsettia Plant Rebloom

Updated: June 29, 2023

Poinsettias are popular plants during the holiday season, known for their vibrant red bracts that resemble flowers. While many people view poinsettias as a disposable plant, withered and discarded after the holidays, these plants can actually be encouraged to rebloom year after year. With proper care and attention, poinsettias can bring joy and beauty to your home for many seasons. In this article, we will explore the different types of poinsettia plant rebloom.

Traditional Poinsettia Care

Before delving into the various methods of poinsettia rebloom, it is essential to understand the basics of caring for a poinsettia plant. Here are some important tips:

  1. Light: Poinsettias thrive in bright, indirect light. Place them near a window where they can receive at least six hours of sunlight each day.

  2. Temperature: Poinsettias prefer a warm environment, ideally between 60-70°F (15-21°C). Avoid exposing them to cold drafts or extreme temperature fluctuations.

  3. Watering: Water your poinsettia when the soil feels dry to the touch. Ensure proper drainage and avoid overwatering, as it can lead to root rot.

  4. Humidity: Poinsettias appreciate moderate humidity levels. You can increase humidity by placing a tray filled with water near the plant or using a humidifier.

  5. Fertilizing: Feed your poinsettia with a balanced fertilizer every two weeks during the growing season (spring and summer).

By following these care instructions, you can maintain a healthy poinsettia throughout its initial blooming period.

Natural Reblooming

One of the simplest ways to encourage a poinsettia to rebloom is by allowing it to go through its natural dormancy period. This approach mimics the plant’s native habitat where it experiences a period of rest before initiating new growth. Here’s how you can achieve natural reblooming:

  1. Late Winter: After the holiday season, reduce watering and allow the plant to dry out gradually. Place it in a cool, dimly lit area with temperatures around 55-60°F (13-15°C). Continue to provide minimal water to prevent wilting.

  2. Spring: In early spring, trim the plant back to about 6-8 inches (15-20 cm) above the soil level. Repot it if necessary, using fresh, well-draining potting soil. Resume regular watering and place the poinsettia in a sunny window.

  3. Summer: During the summer months, promote healthy growth by fertilizing every two weeks and providing adequate sunlight. Pinch back the stems by one or two leaves every six weeks to encourage bushier growth.

  4. Fall: Around September, initiate the poinsettia’s dormancy period by reducing daylight exposure. Place it in complete darkness for 14-16 hours daily, preferably from 5 pm to 8 am. A closet or cover with a lightproof bag can be used to achieve darkness. Maintain this dark treatment for around eight to ten weeks.

  5. Re-bloom: After the dark treatment period, bring your poinsettia back into a sunny area and resume regular care. With proper care, it should start developing new bracts and flowers within weeks, just in time for the holiday season.

Artificial Reblooming

If you prefer a more controlled approach or want your poinsettia to bloom outside of its natural season, there are artificial methods you can use:

  1. Temperature Manipulation: Poinsettias require specific temperature conditions to initiate blooming. Mimic these conditions by placing the plant in a cool environment with temperatures between 50-60°F (10-15°C) for at least 12-16 hours each day. Maintain this temperature treatment for around eight to ten weeks while still providing regular care.

  2. Light Manipulation: Poinsettias are also sensitive to light exposure. By adjusting the amount of light it receives, you can stimulate blooming at any desired time. To promote blooming, provide the plant with 14-16 hours of complete darkness daily, followed by 8-10 hours of bright, indirect light. Maintain this light treatment for around eight to ten weeks.

  3. Chemical Treatment: Some garden centers offer poinsettia-specific chemicals that can be used to induce blooming. These chemicals contain growth regulators that help initiate flower development. Follow the instructions provided with the chemical product carefully to ensure successful reblooming.

While artificial reblooming methods require more effort and attention to detail, they provide greater flexibility in timing the plant’s bloom period.

Conclusion

Poinsettias are not just temporary holiday decorations; they can be cherished plants that rebloom year after year with proper care. Whether you choose the natural or artificial reblooming method, understanding the different types of poinsettia plant rebloom allows you to enjoy their vibrant colors and festive beauty whenever you desire. So, next time you bring a poinsettia home, consider giving it the care it needs for reblooming success and enjoy its dazzling display for many seasons to come.

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