This article is a list of diseases of hydrangeas (Hydrangea macrophylla).
Bacterial diseases | |
---|---|
Bacterial blight | Pseudomonas solanacearum |
Bacterial leaf spot | Pseudomonas cichorii |
Fungal diseases | |
---|---|
Bud and flower | Cercospora hydrangeae |
Powdery mildew | |
Root rot | Pythium spp. |
Rust | |
Southern blight | Sclerotium rolfsii |
Viral diseases | |
---|---|
Phyllody | Hydrangea ringspot virus |
Ringspots | Hydrangea ringspot virus |
Tobacco ringspot virus | Tomato spotted wilt virus |
Hydrangea common names hydrangea or hortensia, is a genus of over 75 species of flowering plants native to Asia and the Americas. By far the greatest species diversity is in eastern Asia, notably China, Korea, and Japan. Most are shrubs 1–3 m tall, but some are small trees, and others lianas reaching up to 30 m (100 ft) by climbing up trees. They can be either deciduous or evergreen, though the widely cultivated temperate species are all deciduous.
Hydrangea macrophylla is a species of flowering plant in the family Hydrangeaceae, native to Japan. It is a deciduous shrub growing to 2 m (7 ft) tall by 2.5 m (8 ft) broad with large heads of pink or blue flowers in summer and autumn. Common names include bigleaf hydrangea, French hydrangea, lacecap hydrangea, mophead hydrangea, penny mac and hortensia. It is widely cultivated in many parts of the world in many climates. It is not to be confused with H. aspera 'Macrophylla'.
Hydrangea quercifolia, commonly known as oakleaf hydrangea or oak-leaved hydrangea, is a species of flowering plant in the family Hydrangeaceae. It is native to the southeastern United States, in woodland habitats from North Carolina west to Tennessee, and south to Florida and Louisiana. A deciduous shrub with white showy flower heads, it is grown as a garden plant, with numerous cultivars available commercially.
Aldridge Gardens is a 30-acre garden, prominently featuring hydrangeas, located on the former Aldridge Estate in Hoover, Alabama, United States.
Hydrangea petiolaris, a climbing hydrangea, is a species of flowering plant in the family Hydrangeaceae native to the woodlands of Japan, the Korean peninsula, and on Sakhalin island of easternmost Siberia in the Russian Far East.
Hydrangea arborescens, commonly known as smooth hydrangea, wild hydrangea, sevenbark, or in some cases, sheep flower, is a species of flowering plant in the family Hydrangeaceae. It is a small- to medium-sized, deciduous shrub up to 3 m (10 ft) tall that is native to the eastern United States.
Hydrangea cinerea, the ashy hydrangea or gray hydrangea, is a small to medium sized, deciduous shrub up to 3 m tall; its natural range is interior regions of the southeastern United States. Its common names reflect the ashy or gray appearance of the undersides of its leaves, which results from a dense pubescence.
Phoma exigua var. exigua is a fungal plant pathogen infecting several hosts.
Hydrangea serrata is a species of flowering plant in the family Hydrangeaceae, native to mountainous regions of Korea and Japan. Common names include mountain hydrangea and tea of heaven. Growing to 1.2 m (4 ft) tall and broad, it is a deciduous shrub with oval leaves and panicles of blue and pink flowers in summer and autumn (fall). It is widely cultivated as an attractive ornamental shrub throughout the world in areas with suitable climate and soil.
Silver leaf or Silverleaf may refer to:
Hydrangea radiata is an attractive, deciduous shrub up to 3 m tall in the flowering plant family Hydrangeaceae. Its natural range is limited to the southern Appalachians, where it is fairly common. Its common names—silverleaf hydrangea or snowy hydrangea—reflect its distinctive foliage which is dark green on top and silvery white below; the sharply contrasting foliar colors makes this shrub conspicuous at a distance, especially in a breeze.
Hydrangea paniculata, the panicled hydrangea, is a species of flowering plant in the family Hydrangeaceae native to southern and eastern China, Korea, Japan and Russia (Sakhalin). It was first formally described by Philipp Franz von Siebold in 1829.
Hydrangea chinensis is a species of flowering plant in the family Hydrangeaceae, native to Myanmar, southeast China, and Taiwan.
Hydrangea heteromalla is a species of flowering plant in the family Hydrangeaceae. It is commonly known as woolly hydrangea, Himalayan hydrangea or Chinese hydrangea and is native to the Himalayas and China. Average height is 10'-15' with inflorescences that are 5"-8" across and bloom May–June, full flowering only occurs in full sun. Leaves are elliptical or ovate and margins are slightly serrated. Is a very adaptable plant that is hardy to USDA zones (4)5-7. This plant is seldom seen in American gardens. There is a nice specimen at the Sir Harold Hillier Gardens. Hydrangea heteromalla is a deciduous shrub or small tree. Its native habitats include alpine forests and thickets in the Himalayas and China.
Hydrangea hirta, also known as the "nettle-leaved hydrangea", is a species of flowering plant in the family Hydrangeaceae that is native to East Asia. Due to the beauty and sturdiness of the species' flowers it can be found outside of its range being used for horticultural and landscaping purposes, and is found in gardens in countries including the United Kingdom and the United States.
Febrifugine is a quinazolinone alkaloid first isolated from the Chinese herb Dichroa febrifuga, but also found in the garden plant Hydrangea. Laboratory synthesis of febrifugine determined that the originally reported stereochemistry was incorrect.
Phyllodulcin is a dihydroisocoumarin found in Hydrangea macrophylla and Hydrangea serrata. It is a sweetener 400–800 times sweeter than sugar.
Winter is an Irish Thoroughbred racehorse. She won one minor race from three starts as a two-year-old in 2016, but made considerable improvement in the following spring and won the 1000 Guineas on her fifth racecourse appearance. She went on to record further Group 1 victories in the Irish 1,000 Guineas, Coronation Stakes and Nassau Stakes.
Blu Hydrangea is the stage name of Joshua Cargill, a Northern Irish drag queen from Belfast who is known for competing on the first series of RuPaul's Drag Race UK (2019) and later winning the first season of RuPaul's Drag Race: UK vs the World (2022).
Lajo Jose is an Indian writer of Malayalam literature. He is known for his crime thriller and mystery novels which include Coffee House, Hydrangea, Ruthinte Lokam and Rest in Peace. His latest work is Kanya Maria, published by DC Books in 2022.