Hydrangea (/ha?'dre?nd?i?/;common names hydrangea or hortensia) is a genus of 70-75 species of flowering vegetation native to southern and eastern Asia (China, Japan, Korea, the Himalayas, and Indonesia) and the Americas. Undoubtedly the greatest kinds diversity is at eastern Asia, notably China, Japan, and Korea. Most are shrubs 1 to 3 meters high, however, many are small trees and shrubs, and more lianas getting up to 30 m (98 foot) by climbing up trees and shrubs. They could be either deciduous or evergreen, though the extensively cultivated temperate varieties are all deciduous.Having been introduced to the Azores, H. macrophylla is quite typical now, particularly on Faial, which is known as the "blue island" because of the vast number of hydrangeas present on the island.Life cycleHydrangea flowers are created from early spring to late fall; they grow in flowerheads (corymbs or panicles) frequently at the ends of the stems.
Usually the flowerheads contain two types of blooms: small non-showy bouquets in the guts or interior of the flowerhead, and large, showy blossoms with large multi-colored sepals (tepals). These showy flowers are prolonged in a diamond ring often, or to the surface of the tiny flowers. Plant life in outdoors populations have few to nothing of the showy flowers typically, while cultivated hydrangeas have been decided on and bred to have significantly more of the bigger type bouquets.There are two flower arrangements in hydrangeas with Corymb style inflorescens, which include the commonly grown "bigleaf hydrangea"--Hydrangea macrophylla. Mophead blossoms are large spherical flowerheads resembling pom-poms or, as the name indicates, the relative head of your mop. In contrast, lacecap flowers bear round, flat flowerheads with a center core of subdued, small plants encircled by outer bands of much larger blossoms having showy tepals or sepals.
The flowers of some rhododendrons and viburnums can appear, initially, very much like those of some hydrangeas.Colors and dirt acidityIn most species the blossoms are white, however in some kinds (notably H. macrophylla), can be blue, red, red, light crimson, or dark purple. In these species the color is influenced by the existence of aluminum ions which can be found or tangled up depending after the ground pH. For H. macrophylla and H. serrata cultivars, the flower color can be dependant on the relative acidity of the soil: an acidic soil (pH below 7), will have available aluminum ions and produce flowers that are blue to purple typically, whereas an alkaline soil (pH above 7) will tie up aluminum ions and lead to pink or red flowers.
This is caused by a color change of the blossom pigments in the existence of aluminium ions which can be adopted into hyperaccumulating plants.[6] Reducing the pH of potting soils or mixes usually will not change the bloom color to blue, because these soils haven't any aluminum ions. The ability to blue or pink a hydrangea is inspired by the cultivar also. Some plants are selected for his or her ability to be blued, while some are bred and selected to be red, white or pink. The flower color of all other Hydrangea species is not affected by aluminum and cannot be changed or shifted. Hydrangeas likewise have a nickname called 'Change Rose'.
White Swan, v črepníku 3 litre Hydrangea macrophylla White Swan
Hydrangea Quercifolia 39;Snowflake39; from Burncoose Nurseries
Hydrangea Arborescens 39;Annabelle39; from Burncoose Nurseries
10 Hydrangea Macrophylla Lemmonhoff
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