Flowers in the house - Poinsettia.

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    Poinsettia.

    Poinsettia winter comes over their unusual large bracts that form around small nondescript flowers semblance of stars. In many European countries the poinsettia - a traditional Christmas flower, so it's a great ornamental plant often called the "Christmas Star", "The Star of Bethlehem." Amazing stacked "stars" are poinsettia and tender (creamy white, apricot, pink) and catchy (scarlet, crimson, lemon yellow).

    Poinsettia



    In the frame of green leaves, the "stars" seem mysterious and fabulous in the background frosty window with winter landscape, always eye-catchers, dazzle. Poinsettia (Euphorbia beautiful) or pulherrima Euphorbia (Euphorbia pulcherrima) belongs to the family Euphorbiaceae, comes from the tropical regions of Central America and Mexico. At home poinsettia - is a perennial evergreen shrub, reaching a height of 3 meters, with a thick bottom hollow woody branches. Poinsettia forms in the gardens of lush undergrowth, unusually bright and spectacular at the time of flowering.

    When you cut it stems or leaves of milkweed, irritating the skin and mucous membranes. In poinsettia green notched leaves on long reddish petioles - fairly large, distinctive shape, with pink or yellow patterns. Small green flowers-balls collected in corymbose inflorescences at the ends of branches, become more visible when a yellow nectaries. The flowers are surrounded by bracts amazing, keep a very long time - up to five months.

    In the decorative poinsettia sets sadoovodstve grown varieties. Withdrawn tall srezochnyh form poinsettia (long shoots stored in water and are used for decoration of flower baskets), and small potted form (ampelnye, bushy, trees with crowns). Poinsettia looks good in a single copy, and large compositional arrangements.

    Poinsettia prefers light (but not in the sun) and warm content. The optimum temperature of the contents of 20 degrees (when flowering in the room to be a little cooler - then the flowers last longer). Overcooling of the substrate and excessive watering cause root rot and the appearance of the leaves poinsettia moist spots; at a temperature below 12 degrees the leaves turn yellow and fall off. Poinsettia not tolerate drafts and dry air.

    After falling off the stems of these flowers poinsettia cut: shorten branches to 5 cm in ampelnoe varieties, 10 cm tall-in varieties, a third to a half, depending on their length in bushy varieties. Then the plant provide a rest period, placing it in a dry place at a temperature of 15 degrees, and keep almost without irrigation (watering slowly and rarely, after podvyadaniya leaves).

    In mid-May poinsettia transplanted, by pouring on the bottom of the pot drainage layer of 3 cm. Poinsettia Earth prefers loose and nutritious - a mixture of turf, leaf soil, peat, humus and sand in equal parts; from ready substrates suitable "Palma". After transplantation of the plant lightly watered and put on a bright warm place; then begin regular watering slightly warm water. Soon there are the young leaves; young shoots are cut for good tillering.

    First fertilizing poinsettia performed 3 weeks after transplantation. Then fertilizers are applied 2-3 times a month throughout the summer, alternating with mineral fertilizers; in September and October bring phosphorus and potassium. Summer poinsettia grows well in partial shade sheltered garden space (you can dig the pot in the ground); at a temperature below 17 degrees the plant are entered into the house. During the period of active growth watering poinsettia should be frequent (between watering the soil should dry out a bit), but not abundant (to avoid root rot after watering is recommended to remove excess water from the pan).

    Propagated poinsettia apical cuttings in January or in the summer (can be used for breeding cut cuttings); rooting in loose substrate at a temperature of about 22 degrees passes for 3-4 weeks. Sections cuttings are first immersed in warm water (to stop the release of the latex), and then the cuttings are planted in small pots one; after the beginning of the growth of their pinch out side shoots for regrowth.

    Poinsettia - a short-day plant (in the nature blooms in winter, when there are long nights and short days) that must be considered to ensure the re-flowering. Therefore, to obtain a beautiful autumn bracts artificially limit the coverage of plants. In September and October every night poinsettia placed in complete darkness for 14 hours (securely covered cardboard box plant that was not the slightest gleam, or put in a dark pantry), and in the afternoon transfer to a bright window.

    In dry air at a variety of poinsettia appear pests: spider mites, mealybug, Jose scale, whitefly.

     








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