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Anthoxanthum_odoratum - L.

Common Name Sweet Vernal Grass
Family Poaceae or Gramineae
USDA hardiness Coming soon
Known Hazards The plant contains coumarins, this is what gives it the scent of newly mown hay. When used internally, especially from dried plants, it can act to prevent the blood from co-aggulating[13].
Habitats Meadows, woodland margins, heaths and moors on acid and basic soils[9, 17].
Range Most of Europe, including Britain, south and east to N. Africa and W. Asia.
Edibility Rating    (2 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Well drained soil Moist Soil Full sun
Anthoxanthum_odoratum Sweet Vernal Grass


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Anthoxanthum_odoratum Sweet Vernal Grass
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Summary


Physical Characteristics

 icon of manicon of flower
Anthoxanthum_odoratum is a PERENNIAL growing to 0.5 m (1ft 8in) by 0.3 m (1ft).
It is not frost tender. It is in flower from April to June, and the seeds ripen from May to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

Edible Uses

Seed[105, 177]. The seed is very small and its use would be fiddly[K]. A tea is made from the fresh or dried leaves[144]. A sweet pleasant fragrance[183]. Some caution is advised, see notes at top of the page.

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


The whole plant, and especially the flowering stems, is anticoagulant, antispasmodic and stimulant[9, 13]. It is normally only applied externally, where it is used in the treatment of rheumatic pain, chilblains, nervous insomnia etc[9]. It is said that a tincture made from this grass with spirit of wine is an effective and immediate cure for hay fever[4, 240].

References   More on Medicinal Uses

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Other Uses

The aromatic leaves and dried flowers are used as a strewing herb, they are also woven into baskets[169, 257] and used in pot-pourri[238]. The plant contains coumarin - this is used medicinally and also in rat poisons where it prevents the blood from co-aggulating and thus means that the slightest cut can kill the rat[13].

Special Uses

References   More on Other Uses

Cultivation details

Succeeds in most soils[200]. Dislikes shade. This is one of the earliest grasses to flower in the year, it produces a lot of pollen and is a major irritant to people who suffer from hay fever[4]. The dried plant releases a strong and persistent fragrance with a refreshing pungent smell that is difficult to describe but is somewhat like newly-mown hay[245].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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Propagation

Seed - sow April in situ, only just covering the seed. The seed usually germinates in 2 - 3 weeks[134]. Division in spring. Very easy, it can be done successfully at almost any time of the year, though it is best to pot up the divisions in a cold frame if you are doing it outside the growing season.

Other Names

If available other names are mentioned here

Native Plant Search

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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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Anthoxanthum odoratumSweet Vernal GrassPerennial0.5 0-0  LMHNDM222

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Author

L.

Botanical References

17

Links / References

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