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Poa annua - L.

Common Name Annual Meadow Grass, Annual bluegrass, Low Spear Grass, Meadow Grass, Six Week Grass, Annual Blue
Family Poaceae or Gramineae
USDA hardiness 4-8
Known Hazards None known
Habitats Waste places, cultivated land, grassland etc[17].
Range Cosmopolitan, throughout the whole world, including Britain, but only on mountains in the tropics.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential Yes
Medicinal Rating    (0 of 5)
Care
Fully Hardy Moist Soil Full sun
Poa annua Annual Meadow Grass, Annual bluegrass,  Low Spear Grass,  Meadow Grass, Six Week Grass,  Annual Blue


http://nl.wikipedia.org/wiki/Gebruiker:Roepers
Poa annua Annual Meadow Grass, Annual bluegrass,  Low Spear Grass,  Meadow Grass, Six Week Grass,  Annual Blue
http://commons.wikimedia.org/wiki/User:Fabelfroh

 

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Summary

Form: Spreading or horizontal, Upright or erect.


Physical Characteristics

 icon of manicon of flower
Poa annua is a ANNUAL growing to 0.3 m (1ft) by 0.2 m (0ft 8in).
It is hardy to zone (UK) 5 and is not frost tender. It is in leaf all year, in flower from February to November, and the seeds ripen from April to November. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind, Cleistogomy (self-pollinating without flowers ever opening). The plant is self-fertile.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very acid soils.
It cannot grow in the shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

 Lawn; Meadow;

Edible Uses

None known

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.


None known

Other Uses

None known

Cultivation details

A very easily grown plant, it succeeds in any well-drained moderately fertile soil in a sunny position[1]. Tolerates very acid soils[1]. This plant is a very common garden weed and will not usually require cultivation. An important food plant for the caterpillars of many species of butterfly[30]. It is often found growing in close cut lawns[1]. The seed drops very readily from the plant so it is difficult to harvest[1]. This also means that the seed is spread very easily, making the plant even more difficult to eradicate[K]. Special Features:North American native.

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Propagation

Seed - there should be no problem with having to sow this plant since it does the job very effectively without our help.

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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Arundinaria giganteaCane Reed, Giant cane31
Arundinaria sppRunning Bamboo31
Arundinella hookeri 00
Arundinella nepalensis 00
Arundo donaxGiant Reed, Giant Reed Grass32
Astrebla pectinataBarley Mitchell Grass10
Astrebla squarrosaBull Mitchell grass40
Avena abyssinicaAbyssinian Oat20
Avena barbataSlender Oat20
Avena brevis 20
Avena byzantinaRed Oat20
Avena fatuaWild Oats21
Avena ludovicianaOats20
Avena nudaNaked Oat40
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Avena orientalisHungarian Oat31
Avena sativaOats, Common oat33
Avena sterilisSterile Oats, Animated oat30
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Expert comment

Author

L.

Botanical References

17

Links / References

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Readers comment

   Wed Nov 8 2006

would this be a poor choice of grass to add to an existing lawn as an overseeding?

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