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, Glabrous, 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.