Associated Cut Flower Co., Inc. Floral Product Gallery Hydrangeas

Hydrangea (/ha?'dre?nd?i?/;common labels hydrangea or hortensia) is a genus of 70-75 types of flowering plants indigenous to southern and eastern Asia (China, Japan, Korea, the Himalayas, and Indonesia) and the Americas. Certainly the greatest varieties diversity is eastern Asia, notably China, Japan, and Korea. The majority are shrubs 1 to 3 meters extra tall, however, many are small trees, and others lianas getting up to 30 m (98 feet) by climbing up trees. They can be either evergreen or deciduous, though the cultivated temperate varieties are all deciduous generally.Having been introduced to the Azores, H. macrophylla is currently very common, on Faial particularly, which is known as the "blue island" due to the vast number of hydrangeas present on the island.Life cycleHydrangea plants are created from planting season to late autumn; they expand in flowerheads (corymbs or panicles) most often at the ends of the stems.

Typically the flowerheads contain two types of flowers: small non-showy bouquets in the center or interior of the flowerhead, and large, showy flowers with large colorful sepals (tepals). These showy flowers are extended in a engagement ring often, or to the exterior of the tiny flowers. Plant life in wild populations typically have few to none of the showy blooms, while cultivated hydrangeas have been decided on and bred to have significantly more of the larger type blossoms.There are two flower arrangements in hydrangeas with Corymb style inflorescens, which includes the commonly grown "bigleaf hydrangea"--Hydrangea macrophylla. Mophead flowers are large round flowerheads resembling pom-poms or, as the name means, the comparative mind of the mop. On the other hand, lacecap flowers bear round, flat flowerheads with a center core of subdued, small blossoms ornamented by outer bands of larger blooms having showy tepals or sepals.

The flowers of some viburnums and rhododendrons can look, at first glance, a lot like those of some hydrangeas.Colors and land acidityIn most kinds the bouquets are white, however in some varieties (notably H. macrophylla), can be blue, red, red, light crimson, or dark purple. In these species the color is affected by the existence of lightweight aluminum ions which are available or tied up depending after the dirt pH. For H. h and macrophylla. 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 cause pink or red flowers.

This is the effect of a color change of the blossom pigments in the existence of aluminium ions that can be adopted into hyperaccumulating crops.[6] Cutting down the pH of potting soils or mixes usually will not change the flower color to blue, because these soils have no aluminum ions. The capability to blue or pink a hydrangea is also affected by the cultivar. Some plants are selected for his or her ability to be blued, while some are bred and selected to be red, pink or white. The flower color of all other Hydrangea species is not affected by aluminum and cannot be changed or shifted. Hydrangeas also have a nickname called 'Change Rose'.

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Purple Hydrangea is a photograph by Ella Char which was uploaded on

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