, Poinsettias are popular Christmas decorations in homes, churches, offices, and elsewhere across North America, as a result of an extensive marketing campaign by the Ecke family that began by shipping free poinsettias to television stations for use on-air. Learn about Facts, Growing and Caring Tips of Poinsettia Plant Once bracts begin to show color, the bracts are slow to enlarge, so it is tempting to water more frequently, fertilize as when the plant is actively growing following the pinch, and/or to increase day and night temperatures. , Poinsettias are susceptible to several diseases, mostly fungal, but also bacterial and parasitic. Populations were once found in rolling hill areas, though many have gone extinct. Sep 29, 2014 - Explore Bernie Galang's board "Poinsettias Colors", followed by 301 people on Pinterest. Indigenous to Central America, it was described as a new species in 1834.  In Spain it is known as Flor de Pascua or Pascua, meaning Easter flower. Keeping a poinsettia alive from one holiday season to the next and prompting its bracts to change color is challenging, but it can be done without special equipment. External exposure to the plant may result in a skin rash for some.  Crimson blossoms sprouted from the weeds and became poinsettias. Population sizes are frequently very small, with as few as a dozen individuals. The plant drops its bracts and leaves soon after those flowers shed their pollen.  Nothing is known about pollination in wild poinsettias, though wasps are noted to occasionally visit the cyathia. The flowers of the poinsettia are the round yellow structures located in the center of the bracts. If you want your poinsettia to turn red again, you have to force it. There are plants with bracts that have evolved to attract pollinators. He became intrigued by the plant and sold them from street stands. Leaves may be anywhere along the stem while bracts are generally located on a stem just below a flower, a flower stalk, or an inflorescence. , The flowers of the poinsettia are unassuming and do not attract pollinators. Wild poinsettias occur from Mexico to Guatemala, growing on mid-elevation, Pacific-facing slopes. These plants are typically potted and sold as holiday plants, but they can be grown successfully in U.S. Department of Agriculture plant hardiness zones 9a through 11.  From the 17th century, Franciscan friars in Mexico included the plants in their Christmas celebrations. It is the first known phytoplasma that has economically advantageous effects. The yellow flowers, or cyathia, are in the center of the colorful bracts. Poinsettia bracts are fragile and if the plants are handled roughly, bruises in the form of black or white marks will develop on the bracts. See more ideas about poinsettia, christmas flowers, flowers. The first step in choosing a poinsettia is to determine the color you would like. The Poinsettia is a light sensitive plant.  Each year in the US, approximately 70 million poinsettias are sold in a period of six weeks, at a value of US$250 million.  Similarly, a cat or dog's exposure to poinsettias rarely necessitates medical treatment.  In Chile and Peru, the plant became known as Crown of the Andes. Poinsettias bloom when they are exposed to 12 to 14 hours of darkness each night for eight to 12 weeks. As of 2012, wild poinsettias are not protected by Mexican law.  A survey of more than 20,000 calls to the American Association of Poison Control Centers from 1985–1992 related to poinsettia exposure showed no fatalities. Red bracts are most common, but there are cultivars that are pink, salmon orange, yellow, cream, white, mottled, all â¦ They are grouped within the cyathia (small yellow structures found in the center of each leaf bunch, or false flowers). Infection by poinsettia branch-inducing phytoplasma is actually desirable, as it keeps the plants shorter with more flowers. A conservation risk typical for species with wild and cultivated populations is the contamination of the wild gene pool by hybridization with cultivated individuals. , An attempt to determine a poisonous dose of poinsettia to rats failed, even after reaching experimental doses equivalent to consuming 500 leaves, or nearly 1 kg (2.2 lb) of sap. Every year in the US, approximately 70 million poinsettias of many cultivated varieties are sold in a six-week period. Variants. A poinsettia left to grow on its own will naturally take an open, somewhat weedy look. Under the right conditions poinsettias can be restored to their Christmas glory.  In Nahuatl, the language of the Aztecs, the plant is called Cuetlaxochitl, meaning "flower that grows in residues or soil" Today it is known in Mexico and Guatemala as flor de Nochebuena, meaning Christmas Eve flower.  There are over 100 cultivated varieties of poinsettia that have been patented in the US.  Contact with any part of the plant by children or pets often has no effect, though it may cause nausea, diarrhea, or vomiting if swallowed. Specific details about its spread from there are largely unverifiable, but it was exhibited at the Pennsylvania Horticultural Society in 1829 by Colonel Robert Carr. Reblooming your Poinsettia. Pictured is a white poinsettia, with a light shade of pink running through the bracts. After un-sleeving, space plants apart in â¦ Many plants with bracts donât look like this, however. , Albert Ecke emigrated from Germany to Los Angeles in 1900, opening a dairy and orchard in the Eagle Rock area. All too often, people throw their poinsettias away once the holiday season is over, not realizing that the plant still has plenty of life in it. Anatomy of a Poinsettia. When grown in the soil, poinsettias can reach heights of 10 feet with a spread of 6 feet. Known as Christmas Stars, the Poinsettia is a staple Christmas plant for the home. , The poinsettia is the world's most economically important potted plant. Poinsettias are shrubs or small trees, with heights of 0.6–4 m (2.0–13.1 ft). It is particularly well known for its red and green foliage and is widely used in Christmas floral displays. In 92.4% of calls, there was no effect from exposure, and in 3.4% of calls there were minor effects, defined as "minimally bothersome". Euphorbia pulcherrima is a shrub or small tree, typically reaching a height of 0.6â4 metres (2â13 ft). Poinsettia: Expert tips on caring for your poinsettia plant and extending its lifespan. Its range is about 2,000 km (1,200 mi) long, encompassing mid-elevation tropical dry forests. To initiate blooming, place your poinsettia in total darkness for 12 to 14 hours a night beginning in mid-October. Common Plants with Bracts. Those big red âpetalsâ are actually bracts that have gained a bright color meant to draw pollinators into the tiny flowers in the center. It derives its common English name from Joel Roberts Poinsett, the first United States Minister to Mexico, who is credited with introducing the plant to the US in the 1820s. It is the color of passion and one much needed and preferred during the holidays to match the high spirits of â¦ Though Arnold later admitted that the story was hearsay and that poinsettias were not proven to be poisonous, the plant was thus thought deadly. Bracts are the leaves of poinsettia that change color depending on light exposure. In rare cases, exposure to the eye may result in eye irritation. © Copyright 2020 Hearst Communications, Inc. After university research trials showed sensitivities of some colored bracts of poinsettia cultivars at labeled rates of the insecticide Hachi-Hachi, SePRO is voluntarily restricting the use of the insecticide on poinsettias with bracts in color.Since its launch, Hachi-Hachi has proven to be an effective and efficacious insecticide for Western flower thrips, aphid and other foliar [â¦] Today, the poinsettia is the number one potted plant sold in the United States. It has been hypothesized that the inaccessibility of the canyons may protect the wild populations from human disturbance. What are often taken to be the petals of flowers are sometimes bractsâfor example, the large, colourful bracts of poinsettias or the showy white or pink bracts of dogwood In regions where the temperature drops below freezing, poinsettias may be wintered inside the home and grown outside during frost-free months. Poinsettia are popular potted plants, particularly during Christmas, Provides effective color in home decor and symbol of Purity. Interesting facts. They became associated with the Christmas holiday and are popular seasonal decorations.  This misconception was spread by a 1919 urban legend of a two-year-old child dying after consuming a poinsettia leaf. The colors of the bracts are created through photoperiodism, meaning that they require darknesâ¦ Some bracts are showy with distinct marbling or edging in contrasting colors. The Ecke family's business, now led by Paul Ecke III, decided to stop producing plants in the US, but as of 2008, they still served about 70 percent of the domestic market and 50 percent of the worldwide market. The plant bears dark green dentate leaves that measure 7–16 centimetres (2.8–6.3 in) in length. Bracts usually differ in shape or color from leaves, and they function differently. How to Revive a Dying Poinsettia. Fungal diseases affecting greenhouse poinsettia operations include Pythium root rot, Rhizoctonia root and stem rot, black root rot, scab, powdery mildew, and Botrytis blight. These plants produce brightly colored bracts -- modified leaves -- that turn red, pink or white during the holiday season. There is a somewhat anomalous population of wild poinsettias in the northern part of the Mexican state of Guerrero and Oaxaca, which is much further inland in the hot and seasonally dry forests than the rest of the species' range. If ingested, mild drooling or vomiting can occur, or rarely, diarrhea. Native to Mexico, poinsettia (Euphorbia pulcherrima) can grow outdoors in U.S. Department of Agriculture plant hardiness zones 9 through 11. If the bracts are removed from beneath the cyathia, the Poinsettiaâs reproductive structures become easier to see.  In the US, December 12 is National Poinsettia Day, marking the anniversary of Joel Roberts Poinsett's death. 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