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Uses

Edible uses

There are no edible uses listed for Centaurea jacea.

Material uses

There are no material uses listed for Centaurea jacea.

Medicinal uses(Warning!)

The root is bitter tonic, diuretic and stomachic[1]. An excellent bitter for treating difficult digestive systems, it is still used in rural areas as a digestive and also to reduce the temperature of feverish children[1]. A distilled water made from the leaves is used as an eye lotion in the treatment of conjunctivitis[1].

Ecology

Ecosystem niche/layer

Ecological Functions

Nothing listed.

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow April in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out into their permanent positions in the summer.

Division in autumn. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the summer or following spring. This should be done at least once every three years in order to maintain the vigour of the plant.

Basal cuttings in spring. Harvest the shoots when they are about 10 - 15cm long with plenty of underground stem. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer.

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



Cultivation

Succeeds in ordinary garden soil[2][3]. Prefers a well-drained fertile soil and a sunny position[3]. Tolerates dry, low fertility and alkaline soils[3]. Plants are suitable for the wild garden and for naturalising[3].

This species is hardy to at least -15°c[3].

Members of this genus are rarely if ever troubled by browsing deer[4].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Centaurea jacea. 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 Centaurea jacea.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Centaurea jacea
Genus
Centaurea
Family
Compositae
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
6
Heat Zone
?
Water
moderate
Sun
full sun
Shade
no shade
Soil Texture
Soil Water Retention
Environmental Tolerances
  • Drought
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
Fertility
Pollinators
Flower Colour
?
Flower Type

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References

  1. ? 1.01.11.21.3 Chiej. R. Encyclopaedia of Medicinal Plants. MacDonald ISBN 0-356-10541-5 (1984-00-00)
  2. ? F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press (1951-00-00)
  3. ? 3.03.13.23.33.43.5 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
  4. ? Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. ISBN 0 460 86048 8 (1990-00-00)
  5. ? Cite error: Invalid <ref> tag; no text was provided for refs named PFAFimport-17

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