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Uses

Toxic parts

There is a report that the fresh plant contains the toxin hydrogen cyanide[1]. In small quantities, hydrogen cyanide has been shown to stimulate respiration and improve digestion, it is also claimed to be of benefit in the treatment of cancer. In excess, however, it can cause respiratory failure and even death.

Edible uses

Notes

The leaves are used as a tea substitute[2][3]. Some caution is advised, see the notes above on toxicity.

Unknown part

Tea

Material uses

There are no material uses listed for Hydrangea aspera.

Medicinal uses(Warning!)

There are no medicinal uses listed for Hydrangea aspera.

Ecology

Ecosystem niche/layer

Ecological Functions

Nothing listed.

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - surface sow in a greenhouse in spring[4]. Cover the pot with paper until the seed germinates[5]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts.

Cuttings of half-ripe wood, 8cm long, July/August in a frame. Overwinter in a greenhouse and plant out in late spring[5]. Cuttings of mature wood in late autumn in a frame[6]. Mound layering in spring. Takes 12 months[5].

Leaf-bud cuttings of the current seasons growth in a frame[6].

Practical Plants is currently lacking information on propagation instructions of Hydrangea aspera. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

Succeeds in most good soils, including chalk[7].This species is one of the most chalk-tolerant members of the genus[6]. Tolerates most soils[6], thriving in a well-drained loamy soil[8], but resenting dryness at the roots[9][6]. Succeeds in full sun or semi-shade[6], but if it is grown in a low rainfall area then it requires shade at the hottest part of the day[9]. Does well on very acid soils with a pH around 4.5[6]. The colour of the flowers reflects the pH of the soil the plant is growing in, the flowers are pink in a neutral to alkaline soil and blue in an acid soil. Grows well in an open woodland garden[6]. Although fairly tolerant of soil type, this species is not very easy to grow well, it is best given a dryish soil, it resents winter wet[9].

Dormant plants are hardy to about -15°c[7]. They are somewhat tender when young, and the young growth of older plants is also susceptible to damage by late frosts[9]. Plants resent being pruned[10].

This species is notably susceptible to honey fungus[6].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Hydrangea aspera. Do you know of an interaction that should be listed here? edit this page to add it.

Polycultures & Guilds

There are no polycultures listed which include Hydrangea aspera.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Hydrangea aspera
Genus
Hydrangea
Family
Hydrangeaceae
Imported References
Edible uses
Medicinal uses
Material uses & Functions
Botanic
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
7
Heat Zone
?
Water
moderate
Sun
full sun
Shade
light shade
Soil Texture
Soil Water Retention
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    None listed.
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    Herbaceous or Woody
    Life Cycle
    Growth Rate
    Mature Size
    4 x 4 meters
    Fertility
    ?
    Pollinators
    ?
    Flower Colour
    ?
    Flower Type

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    References

    1. ? Medicinal Plants of Nepal Dept. of Medicinal Plants. Nepal. (1993-00-00)
    2. ? 2.02.1 Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books ISBN 3874292169 (1984-00-00)
    3. ? 3.03.1 Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications ISBN 0-9628087-0-9 (1990-00-00)
    4. ? Dirr. M. A. and Heuser. M. W. The Reference Manual of Woody Plant Propagation. Athens Ga. Varsity Press ISBN 0942375009 (1987-00-00)
    5. ? 5.05.15.2 Sheat. W. G. Propagation of Trees, Shrubs and Conifers. MacMillan and Co (1948-00-00)
    6. ? 6.06.16.26.36.46.56.66.76.86.9 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
    7. ? 7.07.1 Phillips. R. & Rix. M. Shrubs. Pan Books ISBN 0-330-30258-2 (1989-00-00)
    8. ? F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press (1951-00-00)
    9. ? 9.09.19.29.39.4 Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray (1981-00-00)
    10. ? Davis. B. Climbers and Wall Shrubs. Viking. ISBN 0-670-82929-3 (1990-00-00)
    11. ? Polunin. O. and Stainton. A. Flowers of the Himalayas. Oxford Universtiy Press (1984-00-00)

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