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Achnatherum Calamagrostis or Stipa calamagrostis is a species of grass

Images of Achnatherum Calamagrostis at

Achnatherum Calamagrostis, also known as Stipa calamagrostis, is usually a species of grass.

Overview of Achnatherum Calamagrostis

It can be commonly known through the names:
– Spear grass
– Needle grass
– Silver spike grass
• It is considered as an ornamental grass.
• It is indigenous to the clearings in the mountains of central and southern Europe.
• It grows in mounds of blue-green leaves and long, silvery plumes.
• This fine-textured grass is grown with the colorful early blooming flowers.
• The growing season is from June on wards.
• The blossoms have tanned look which remain attractive in the winter.
• This variety is grown from seed.
• This is why they vary considerably from a single plant towards other.
• It is worth growing since it is so utterly graceful.
• It grows in cool season.
• It really is clump forming.
• Foliage is grey-green.
• The blades are narrow i.e., 50-70 cm (20-28″) tall.
• Flowers appear from June-July that are 80-100 cm (32-40″) tall.

Scientific Classification for Achnatherum Calamagrostis

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

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.

• 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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