Hardwood begonia variety of shapes and colors are not cultivated for the flowers, they have decorative value whimsical painted leaves, covered with exotic contrasting pattern or border amazing color combinations; some begonias leaves covered with white or pink patches of-pearls.
The leaves of these charming begonias are almost round, oblong, kososerdtsevidnye, serpentine twisted, feathery or kisteobraznoy form; leaf margins entire, toothed or glubokorassechÑ‘nnye. Pubescence of the leaves in the form of red, green, brown, white hair gives them a velvety. Growing next magic ornamental varieties of begonias form a very picturesque group, from which it is difficult to look away, so admiring growers often become their fans and engaged in collecting.
For deciduous Begonia applies several types and forms of begonias, which style interiors and balconies, and a group of royal begonias grown in the rooms. In Greenhouse-room culture prevalent following types of begonias, different beautiful shape and rich color of leaves: Rex begonia, begonia masoniana, manikata begonia, begonia metallic, Credner begonia, begonia Corallina, begonia Albian-Pictet begonia borschevikolistnaya and others. Leaved begonias Classic - this royal begonias and its numerous hybrids with many varieties, affecting beauty pÑ‘strookrashennyh leaves.
Begonia royal, regal, or Rex (Begonia rex) is called by the people "ear of Napoleon." Brought from the East Indies to Europe in the 19th century, the royal begonia won the hearts of breeders for its beautiful leaves and ease of crossing with other species (with Begonia diadem ksantima Begonia, Begonia Begonia yellow and red-wine). Begonia leaves can reach 15-25 cm in length and 20 cm in width; they are usually broadly and pointy with irregularly-toothed edge, silnoopushÑ‘nnye or naked, often with a metallic luster and pearlescent. Very attractive color and shades, color combinations drawing leaves, giving Begonia special charm and decorative effect.
On the leaves of begonias found silver-white, pink, bright red, crimson, green, bronze-brown, purple, almost black patterns. The underside of the leaves reddish, with distinct veins. Thick pubescent stem Royal Begonia creeping; long petioles (usually reddish) are covered with stiff hairs. Flowers royal begonias are in rare drooping racemes on peduncle; most varieties are small, inconspicuous, appearing so often stems removed, were ground to avoid showy leaves. However, some varieties of begonias are not only wonderful leaves, but also beautiful flowers: quite large, pink, slightly pubescent.
Hardwood begonias - heat-loving and light-loving plants, so well developed only in warm, bright rooms, but direct bright sun can not tolerate. As true Queen Capricious, they are very whimsical, they liking greenhouse conditions. Hardwood begonias can not be kept in the open air; they do not tolerate dry air, so you need to constantly keep the humidity around the plants. Begonias do not like drafts, frequent changes in position relative to the light source, spraying (there are brown spots on the leaves).
In winter, the optimum temperature of 16-18 degrees begonias content (not less than 10 degrees) with a very gentle moderate watering; summer begonias watered more, but stagnant water in the soil is not allowed. For watering begonias used only soft water at room temperature. Watering should be uniform: begonias do not forgive peresushke earthen clod, but excessive moisture, especially in winter, it is harmful (at low temperature and excessive watering begonias root system begins to rot, turn black and fall off petioles). Autumn leaf fall begonias spring is filled with new shoots, provided favorable wintering plants.
Leaf begonias are transplanted in the spring only when a strong intertwining roots earthen coma, during the transplant com can be reduced. Do begonias small roots, so the pots for growing begonias use low and wide, always with a drain hole. Loose nutrient substrate for begonias are prepared from a mixture of leaf humus, peat and sand in the ratio (2: 1: 1: 1); potted provide good drainage. During the active growing season the plants respond well to fertilizing watering complete mineral fertilizer and diluted mullein; light dressing begonias conducted from March to September 2 times a month.
Leaf begonias are propagated by stem and leaf cuttings, leaf parts; Transfer and begonias are propagated by division of rhizomes. Stem and leaf cuttings of begonias usually perpetuate lightweight substrate at a temperature of 22-24 degrees (use rooting hormone, and the device "mini teplichku" providing a suitable microclimate, accelerate the process); some begonias root well in containers with water. Royal Begonia propagated parts sheet: cut sheet placed on the glass with a razor and cut into triangular plate so that across the top of one corner of each leaf blade passed vein; These pieces are seated in the box, the sand sticking them into the lower part (the narrow end down) to a depth of 1 cm.
During the multiplication leaves large veins on the underside of leaves incision slightly above the bifurcation, incised leaf laid flat in a box on the wet sand and pinned in several places toothpicks; box covered with glass and put in a warm place (glass daily rubbed and turned over, landing airs). After 3-4 weeks on the leaves of begonias develop young plants; when it reaches a height of 3-5 cm they are separated from the sheet and seated in individual pots with a light sheet ground.
Hardwood begonias often affected by numerous pests, which sometimes is very difficult to see on the variegated surface: aphids and whitefly, provoking the emergence of black fungus; mealybugs; weevil; in greenhouses - slugs and snails. Begonias suffer from powdery mildew, root rot and bacterial spot. Proper care of deciduous beauties-begonias avoids these problems.