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Achnatherum Aridum or Mormon needlegrass is a species of grass




Images of Achnatherum Aridum at google.com

Achnatherum Aridum is a species of grass known by the common name Mormon needlegrass.

Overview of Achnatherum Aridum

• It is native to the southwestern United States from the Mojave Desert in California east to Colorado and New Mexico.
• Achnatherum aridum is a resident of high desert scrub and woodland habitat at some elevation.
• It is a tuft-forming perennial bunchgrass without rhizomes.
• The bunch of stems reaches a maximum height of around 85 centimeters.
• The inflorescence is a panicle often partly enfolded in the narrow sheath of the uppermost leaf.
• The spikelets have hair like awns which are about 4 to 8 centimeters long.

Scientific Classification for Achnatherum Aridum

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

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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