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Achnatherum Occidentale or Western Needlegrass is a species of grass




Images of Achnatherum Occidentale at google.com

Achnatherum Occidentale is a species of grass known by the common name western needlegrass.

Overview of Achnatherum Occidentale

• It is native to western North America from British Columbia to California to Colorado.
• Here it grows in many types of habitat.
• This is a tufting perennial bunchgrass.
• It forms tight clumps of erect stems.
• These stems are up to about 120 centimeters in maximum height.
• Sometimes they are much shorter.
• The hairlike leaves are less than a millimeter wide.
• They may have rolled edges.
• The inflorescence is up to 30 centimeters long.
• Each hairy spikelet bears an awn that is up to 4 or 5 centimeters long.
• The awn is kinked twice.
• Achnatherum occidentale is a monocot and a perennial herb.
• It is native to California.
• It is also found outside of California.
• It is confined to western North America.

Scientific Classification for Achnatherum Occidentale

• Kingdom : Plantae
• (unranked) : Angiosperms
• (unranked) : Monocots
• (unranked) : Commelinids
• Order : Poales
• Family : Poaceae
• Genus : Achnatherum
• Species : A. occidentale
• Binomial name : Achnatherum occidentale

Growing/Caring conditions

• It truly is hardy to zone 8.
• It is in flower from May to July.
• The flowers are hermaphrodite (have both male and female organs) and therefore are pollinated by Wind.
• It could fix Nitrogen.

Cultivation Details
• It succeeds in moderately fertile soil with moisture.
• The plant succeeds in full sun.
• The species tolerate temperatures to about -5°c.
• It is only suitable for the milder elements of the United States.
• These plants roots in many cases are surrounded by a rhizo sheath that harbors nitrogen-fixing organisms.
• These organisms probably contribute to the species’ success like a colonizer.
• This plant is suitable for light, medium and heavy soils.
• It prefers well-drained soil.
• The suitable pH for this plant is acid, neutral and basic soils.
• It wouldn’t grow inside shade.
• It prefers moist soil.
• The plant can tolerate strong winds but is not maritime exposure.

Propagation
• Get results from sowing the seed in a greenhouse.
• Cover the seed.
• It should germinate freely within two weeks.
• Prick your seedlings into individual pots.
• Do so if they’re adequate to manage and plant them in early summer.
• Division should be done in spring.
• Larger divisions might be planted out direct in their permanent positions.
• It’s preferable to pot the smaller divisions.
• Grow them by avoiding shade in a very cold frame.
• Do so before planting them out in late spring or early summer.





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