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The poinsettia sticks because of a process called phototropism, where the plant's stems grow towards the light source. This causes the poinsettia to grow upwards and stick, as it seeks out the sunlight. Additionally, the poinsettia's stems are naturally rigid and sturdy, which also contributes to its ability to stick and stand upright. This natural growth behavior allows the poinsettia to thrive and display its vibrant red leaves during the holiday season. **

Your poinsettia likely has colorful bracts, which are often mistaken for flower petals. These bracts come in a variety of colors, including red, white, pink, and marbled combinations. The actual flowers of the poinsettia are small and yellow, located in the center of the bracts. Additionally, your poinsettia may have dark green leaves with a slightly toothed edge. **

The poinsettia sheds its leaves as a natural part of its growth cycle. As the days get shorter and nights get longer in the fall, the poinsettia's leaves begin to drop as it prepares to enter a period of dormancy. This process is triggered by a decrease in light and changes in temperature, causing the plant to shed its older leaves and prepare for new growth in the spring. It's a normal part of the plant's life cycle and not necessarily a sign of poor health. **

Poinsettias drop their leaves when they are exposed to stress, such as sudden changes in temperature, overwatering, or underwatering. They are also sensitive to drafts and low light conditions. Additionally, poinsettias are sensitive to ethylene gas, which is produced by ripening fruits and can cause the leaves to drop. It is important to provide poinsettias with consistent care and avoid exposing them to stressful conditions in order to prevent leaf drop. **

To keep a poinsettia fresh for longer, it's important to place it in a location with indirect sunlight and away from drafts or heat sources. Water the plant when the soil feels dry to the touch, but be careful not to overwater as this can lead to root rot. Additionally, misting the leaves can help to maintain the plant's humidity levels. Lastly, avoid exposing the poinsettia to extreme temperature changes, as this can cause the leaves to wilt and drop. **

The poinsettia loses its leaves due to a natural process called abscission. This occurs when the plant sheds its older leaves to make way for new growth. In the case of poinsettias, the loss of leaves is often triggered by changes in light and temperature. As the days get shorter and the temperatures drop, the plant goes into a dormant phase and begins to shed its leaves. This is a normal part of the plant's life cycle and is not a cause for concern. With proper care, the poinsettia will regrow its leaves and continue to thrive. **

The reason for throwing away the poinsettia is that it is a seasonal plant that typically only blooms during the holiday season. Once the holidays are over, the plant may start to wilt and lose its vibrant red color, making it less visually appealing. Additionally, poinsettias are sensitive to changes in temperature and light, and may not thrive in the same conditions after the holiday season. Therefore, it is often best to discard the poinsettia and replace it with a new plant for the next holiday season. **