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Scientific Name:
Helictotrichon sempervirens
Pronunciation:
huh-lick-toe-TRY-kun sem-PUR-vur-enz
Common Name:
blue oat grass
Family Name:
Poaceae
Plant Type:
Herbaceous perennial, Poales (grass-like)
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.

Habit:
Stiffly upright
Form:
Vase
Texture:
Fine
Mature Height:
0.7 - 1.3m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Moderate
Origin:
Europe
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun
Soil/Growing Medium:
Rocky or gravelly or dry, Well-drained
Water Use:
Low, Summer dry
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
Additional Info:

Leaf Morphology:
Form:
Grass-like
Arrangement:
Alternate, Basal
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Summer:
Bluish
Colour in Fall:
Bluish
Shapes:
Linear
Apices:
Attenuate
Bases:
Sheathing
Margins:
Entire

Inflorescence Type:
Spikelet, Floriferous, Panicle-like
Flower Morphology:
Flowers perfect
Number Of Petals:
0
Ovary Position:
Superior
Colour (petals):
Showy, Yellow
Flower Scent:
None
Flower Time at Peak:
May, Jun
Additional Info:
nodding, shiny

Fruit Type:
Grain (caryopsis)
Fruit Colour:
Yellow, Brown
Fruiting Time:
Sep, Oct
Additional Info:
Not showy, Persistent,

Bark or Stem Colour:
Propagation:
Seed, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Rust (Pest resistant, Deer resistant, Drought tolerant)

Course(s):
  • HORT 1155
  • Level 4 Apprenticeship
  • CLT Training
Location(s):
  • (AGB)  Acer Griseum Bed
  • (BKW)  Boulevard Kwantlen Way
  • (CGW)  Community Garden West
Location Map