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Thurber's needlegrass

The Thurber's needlegrass (Achnatherum thurberianum)

is a fully hardy perennial deciduous grass with yellow flowers in mid Spring. It grows well in semi-shade, and prefers low levels of water. This plant requires a minimum of 100 frost free days to grow successfully. It has high drought tolerance.


Achnatherum thurberianum grows in soils ranging from a pH of 6 (acidic ranges from 5.6 to 6) to 7.5 (neutral ranges from 6.6 to 7.5). It is adapted to silt, sand, loam, clay loam, silt loam, sandy loam, loamy sand, silty clay loam and sandy clay loam soils, and prefers low fertility.


This is a erect plant and has a clump forming growth form, and has an ultimate height of 0.6m / 2ft.


The leaves are green in Summer.


Hedge (none).


Very resistant to fire.

Fruit and seed

There is a medium fruit/seed abundance beginning in Spring and ending in Summer.


Propagation techniques include seed.

-23°C / -9.4F 6 to 7.5 0.6m / 2ft
Scientific classifications [Edit]
Genus ? Achnatherum
Specific epithet ? thurberianum
Common names
Thurber's needlegrass (United States)
IPNI details on Achnatherum thurberianum
References [edit] ?

Plant added by plantdatabase

Achnatherum thurberianum http://plantdatabase.co.uk/Achnatherum_thurberianum
© Plant Database Ltd., 23rd July 2014     Web: http://plantdatabase.co.uk     Email: mail@plantdatabase.co.uk
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