| Scientific Name: | Helictotrichon sempervirens |
| Common Name: | blue oat grass |
| Family Name: | Poaceae |
| Origin: | Europe |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Herbaceous perennial, Poales (grass-like) |
| Mature Size: | 0.7 - 1.3m x 0.6 - 1.0m (height x width) |
| Habit: | Stiffly upright |
| Form: | Vase |
| Texture: | Fine |
| Landscape Uses: | Accent plant, Container planting, Fall interest, Filler, Ground cover, Group or mass planting, Mixed shrub border, Perennial border, Small garden/space, Summer interest, Winter interest |
| Exposure: | Full sun |
| Soil or Media: | Rocky or gravelly or dry, Well-drained |
| Leaves: | Grass-like, Alternate, Basal, Soft flexible, Parallel venation, Glabrous, Glaucous, Linear, Entire |
| Flowers: | Spikelet, Yellow, May-Jun |
| Fruit: | Grain (caryopsis), Yellow, Brown, Sep-Oct, (Persistent) |
| Key ID Features: | |
| Large, dense tuft; leaves are flat to tightly rolled, mostly 20-30cm long x 3-5mm wide, evergreen; stems erect, grow up above tuft of grass bearing spikelets arranged in panicles up to 18cm long with nodding tips. | |