
Garden Column: Poinsettia still No. 1 choice for Christmas plant
The poinsettia remains the most popular choice for Christmas plant decorations, despite the availability of many other festive options. While the traditional red poinsettia is a perennial favorite, an increasing number of consumers are opting for varieties in diverse colors and leaf shapes to match their holiday decor. Available hues include white, pink, burgundy, various red and white combinations, and even orange. Some varieties feature unique leaf shapes, such as oak-leaf or wavy patterns, and plants come in short, medium, and tall sizes to suit different display needs.
When selecting a poinsettia, it is advisable to look for plants with healthy, vibrant green leaves along the entire stem. Plants that have been exposed to outdoor elements may exhibit bruised, wrinkled, or wilted leaves. The true flowers, known as cyathia, are located in the center of the plant and are encircled by the colorful bracts. For maximum longevity, the cyathia should be intact and tightly clustered. A sturdy plant that is well-proportioned to its pot and presents an appealing appearance from all angles is ideal. A general guideline suggests the plant's height should be approximately two and a half times that of its container.
Poinsettias are categorized into groups like reds, pinks, whites, and novelties. Notable varieties include 'Sonora White Glitter,' which displays varying white splotches on red bracts; 'Premium Ice Crystals,' featuring large, showy bracts that transition from deep reddish-pink at the margins to pink in the center; and 'Carousel Dark Red,' distinguished by its dark green leaves and curled, deep red bracts. Other unique options are 'Chianti' with dark red bracts and orange, wax-like floral centers; 'Cortez Burgundy' for deep red tones; and 'Orange Spice' for an orange-red hue. For those preferring pink, 'Strawberries 'n Cream' offers pink bracts with cream spots, while 'Jingle Bell Rock' presents red margins and cream centers, providing a vibrant contrast to traditional red poinsettias.
Upon bringing a poinsettia home, it is crucial to immediately remove any protective sleeve. These sleeves are used for shipping efficiency but can cause the leaves to produce ethylene gas, potentially reducing the plant's lifespan. Poinsettias thrive in bright, cool locations, requiring at least six hours of direct or indirect sunlight daily. Optimal temperatures range from 65 degrees Fahrenheit at night to 75-80 degrees Fahrenheit during the day. Since poinsettias are not cold-hardy, they should be brought indoors if temperatures drop below 50 degrees. The soil should be kept moist, but the top few inches should be allowed to dry out between waterings. Wilting leaves indicate a need for water. When watering, remove the plant from any decorative foil sleeve, water until drainage occurs, and allow it to drain thoroughly before returning it to the sleeve. Fertilization is not recommended while the plant is in bloom; it should be done after the blooming cycle concludes.
The notion that poinsettias are poisonous to humans and pets is a common misconception, originating from a false report in 1919. While the plant's sticky latex sap can cause irritation, it is not toxic. The taste is also unappealing, making it unlikely for children or pets to consume significant quantities. For individuals growing poinsettias outdoors, cut flowers can be used in floral arrangements, lasting up to two weeks if properly handled. Cuttings should be made at night or early morning, longer than required, with lower leaves removed. The stem end should be cut at an angle underwater, placed in cool water for 30 minutes, and then transferred to fresh water. This process, including recutting the stem every two to three days, helps maintain freshness. While other plants like azaleas, paperwhite narcissus, amaryllis, kalanchoe, Christmas cactus, orchids, and cyclamen are available for holiday decorating, the poinsettia consistently surpasses them in popularity.
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