Poa Annua has the common names:
– annual meadow grass
– annual bluegrass
• It is a widespread turfgrass.
• It is a low-growing grass.
• It grows in temperate climates.
• ‘Poa’ means for fodder in Greek.
• It is considered as one of the sweetest grasses for green fodder.
• It is less useful than hay.
• This grass is known to come into existence as a hybrid between Poa supina and Poa infirma.
• It has a creeping and fibrous root stock.
• The stem can grow up to a height of 15–25 cm.
• It has a panicle that is triangular in shape and open.
• It has about 5 to 7.5 cm length.
• The leaf tips are short and blunt.
• They are soft above and below.
• The leaves are shaped like the prow of a small canoe.
• The leaves are soft and drooping.
• The leaves have long sheaths.
• The leaves have finely serrated edges.
• In some grasses, leaves are serrated transversely.
• The ligule is pointed and silvery.
• It flowers all year round.
• But in severe winters, this poa might not flower.
• The seeds ripen and about 8 months of the year they are collected.
• The plant grows rapidly from seed.
• It flowers within 6 weeks.
Scientific Classification of Poa Annua
• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Monocots
• (unranked) : Commelinids
• Order : Poales
• Family : Poaceae
• Genus : Poa
• Species : P. annua
• Binomial name : Poa annua
• This is an incredibly easily grown plant.
• It succeeds in well-drained soils.
• It prefers moderately fertile soil.
• It grows well in a sunny position.
• It can tolerate very acid soils.
• This plant is a very common garden weed.
• It usually does not require cultivation.
• This is an essential food plant for the caterpillars of numerous species of butterfly.
• It is seen growing in close cut lawns.
• The seed drops very readily in the plant and hence is difficult to harvest.
• But this way the seed is spread effortlessly.
• It makes the flower even more difficult to eradicate.
• A lot of the species are very important pasture plants,.
• They are used extensively by grazing livestock.
• Many of the Poa species are popular for gardens as well as for landscaping in New Zealand.