Aristida adscensionis
- Families: Poaceae Aristidoideae Aristideae
- English name: Seixweeks threeawn
- Plant ID : 22862
- Author : Carl von Linné
- Zone : Chile
- Biological type : grass
- Adult size (h x w) : 2,62f x 1,64f
- Sun exposure : full sun
- Evergreen : evergreen
- Growth : fast
- Hardiness : 14°F
- Leaf color : dark green
- Formerly of wild origin : yes
- Native : no
- In danger : no
- Edible : no
- Precipitation : > 900mm
- FrostResistance >-5°C : yes
- FrostResistance >-8°C : yes