The plants also thrive in east or west facing windows as long as there is enough light. Look for these varieties: For years, poinsettias have had the bad reputation of being poisonous. An insecticidal soap or similar organic solution can be wiped on the leaves to remove any infestations. Indigenous to Mexico, in the wild the Christmas Stars can reach a height of 16 ft. During December the plant can turn entire mountainsides crimson in color. A south facing window is ideal. If you are purchasing the plant for yourself or as a gift, make sure that you buy the healthiest plant available. Adding fertilizer to dry soil can burn the roots. Keep it in its light, warm position. This helps to keep the temperature around your plant stable, enabling them to thrive and preventing issues such as leaf drop. From the start of October until Thanksgiving, a period of about 8 to 10 weeks, keep the plant in complete darkness for 12 to 14 hours a day. Dr. Faust grows poinsettias each year with his students. Poinsettia Cultivation. Julie Thompson-Adolf is a master gardener and author with 13+ years of experience with year-round organic gardening, seed starting and saving, growing heirloom plants, perennials, and annuals, and sustainable and urban farming. Once flowering has finished, begin the process all over again for a colorful display the following year. If you want to save your poinsettia and bring it to bloom again next year, you can follow the repotting and reblooming procedure. Spotting signs of disease such as root rot early helps to make plant care a lot easier. There are several options for growth regulators on poinsettias and the chemicals and rates utilized vary considerably due to climate and grower preferences. In the warmer temperatures of the deep south, we generally use chemical than would be used in cooler regions. By the time Thanksgiving arrives you can stop covering the plant. Fertilizer needs of poinsettias also decrease, so it is best to reduce constant feed rates to 75-100 ppm nitrogen. February . You can keep your Poinsettia outside during summer, and you can pinch it back to promote new growth. 53 40 9. It is from him that the plant gets its common name. Place the plant in as light a position as possible. If new growth is particularly vigorous, around the middle of July, you may need to prune the plant. You can still successfully care for the plant. The poinsettia, Euphorbia pulcherrima Willd., is a member of the family Euphorbiaceae. Growth stage I (GSI) included early vegetative growth (long days). In warmer climates the plants can be placed outside during the summer months. A growing schedule follows for a 6- to 6 1/ 2-inch multiflowered poinsettia crop in soilless mix in the central United States. When you are happy with the position of the plant, continue to fill the pot with fresh potting soil. October 13 2015 October 13, 2015. Feed every three to four weeks. Keep the soil moist when the plants are in flower. There are currently over 100 Poinsettia hybrids on the market, and selecting the correct hybrid for your production needs is one of the biggest decisions in this crop. Poinsettias are named for Joel Robert Poinsett (1779-1851), a noted statesman and dedicated amateur botanist who first brought poinsettias to the United States from Mexico in 1825 while serving as ambassador. A wilted plant can be revived and salvaged, but it will take another season to improve its appearance. The festive poinsettia plant (Euphorbia Pulcherrima) takes center stage during the chilliest time of the year, but it loves a warm, tropical climate for growth. A temperature of 15-18°C (60-65°F) is ideal; Flowering and bract colouring is initiated by short winter day-length, occurring naturally in December and January. Hybridizers have expanded the range of colors from the familiar red to pastel yellow and vibrant bicolors. Christmas Star. So from November onwards, plants should be put in a dark room after twelve hours of daylight and protected from artificial light sources Poinsettia plants (Euphorbia pulcherrima) remain one of the most popular holiday flowers. If the pot is covered by the typical foil wrapping, remove the foil to allow the water to drain. The soil should be moist, not soaking wet or overly dry. Continue to water and fertilize the plant while it is outside. Growth stage III (GSIII) was from visible bud through anthesis and harvest. During this time it will soak up as much moisture as it needs. Available as a mini cutting! Use a sharp garden scissors when pruning.