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Aster macrophyllus - L.

Common Name Bigleaf Aster
Family Asteraceae or Compositae
USDA hardiness 3-7
Known Hazards None known
Habitats Dry to moist open woods, thickets and clearings[43]. By rivers and streams in Britain[17].
Range Eastern N. America. Occasionally naturalized in Britain[17].
Edibility Rating  
Other Uses  
Weed Potential No
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Semi-shade Full sun
Aster macrophyllus Bigleaf Aster


Thomas G. Barnes @ USDA-NRCS PLANTS Database / Barnes, T.G., and S.W. Francis. 2004. Wildflowers and ferns of Kentucky. University Press of Kentucky.
Aster macrophyllus Bigleaf Aster
http://flickr.com/photos/53817483@N00

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Summary


Physical Characteristics

 icon of manicon of flower
Aster macrophyllus is a PERENNIAL growing to 0.6 m (2ft) by 0.6 m (2ft in).
It is hardy to zone (UK) 3. It is in flower from Aug to October. The species is hermaphrodite (has both male and female organs) and are pollinated by Bees, flies, beetles, lepidoptera, self.The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil.

Synonyms

Habitats

Woodland Garden Dappled Shade; Shady Edge; Ground Cover;

Edible Uses

Edible Parts: Leaves;  Root.
Edible Uses:

Very young leaves - cooked and used as a vegetable[46, 61, 105, 161, 177]. The leaves are said to act as a medicine as well as a food, though no details are given[257]. Only young leaves are eaten as old leaves quickly become tough[213]. Roots - cooked. They have been used in soups[257].

Medicinal Uses



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Blood purifier;  Laxative;  VD.

The roots have been used as a blood medicine[257]. An infusion of the root has been used to bathe the head to treat headaches[257]. A compound decoction of the roots has been used as a laxative in the treatment of venereal disease[257].

Other Uses

Plants can be used as a ground cover in light shade, forming a spreading clump[208, 233].

Cultivation details

Succeeds in most good garden soils[1], preferring one that is well-drained and moisture retentive[200]. Prefers a sunny position[200]. Succeeds in dry soils in the shade[200]. Grows well in light woodland shade[88], succeeding amongst the roots of other plants[233]. Plants are hardy to about -25°c[187]. The plant has an invasive root system and can spread freely when well sited[233]. Slugs are fond of this plant and have destroyed even quite large clumps by eating out all the new growth in spring[K]. Most species in this genus seem to be immune to the predations of rabbits[233]. A very variable plant with many different forms[187], it hybridizes freely with other members of this genus[200].

Propagation

Seed - surface sow in spring in a cold frame. Do not allow the compost to become dry. Pre-chilling the seed for two weeks can improve germination rates[134]. Germination usually takes place within 2 weeks at 20°c[134]. When large enough to handle, prick the seedlings out into individual pots and plant them out in the summer. Division in spring or autumn[200]. Very easy, larger divisions can be planted straight into their permanent positions whist smaller clumps are best potted up and kept in a cold frame until they are growing away well. Basal cuttings in late 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.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

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