Hydrangea aspera

Hydrangea aspera is a species of flowering plant in the family Hydrangaceae, native to the region between the Himalayas, across southern China, to Taiwan. It is a large, erect deciduous shrub growing to 3 m (10 ft) tall and wide, with broadly oval leaves. The flowers are typically borne in large flat heads in late summer, and are in variable shades of pale blue and pink, fringed by white or pale pink sterile florets.[1]

Hydrangea aspera
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Cornales
Family: Hydrangeaceae
Genus: Hydrangea
Species:
H. aspera
Binomial name
Hydrangea aspera
Buch.-Ham. ex D. Don
Prodr. fl. nepal. 211. 1825
Subspecies

H. a. ssp. aspera
H. a. ssp. robusta
H. a. ssp. sargentiana
H. a. ssp. strigosa

The Latin aspera means "rough-textured"[2] and refers to the downy lower surface of the leaves.

Considerable natural variation occurs in the species, some of which are sometimes considered to be separate species; these include H. aspera ssp. sargentiana and H. aspera ssp. villosa.

Cultivation

The plant is widely cultivated, and favours a sunny, sheltered position in acid or neutral soil. Numerous cultivars have been produced as ornamental subjects for parks and gardens. They include:-

  • 'Anthony Bullivent'     
  • 'Kawakami'
  • 'Longipes'
  • 'Macrophylla'
  • 'Mauvette'
  • 'Peter Chappell'     
  • 'Sargentiana'
  • 'The Ditch'
  • 'Villosa'

The cultivar H. aspera 'Macrophylla'[3] (not to be confused with H. macrophylla) has gained the Royal Horticultural Society's Award of Garden Merit.[4]

References
  1. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
  2. Harrison, Lorraine (2012). RHS Latin for gardeners. United Kingdom: Mitchell Beazley. p. 224. ISBN 9781845337315.
  3. "RHS Plant Selector - Hydrangea aspera 'Macrophylla'". Retrieved 22 June 2013.
  4. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 51. Retrieved 7 March 2018.

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