Scientific Name:
Arrhenatherum elatius
subsp.
bulbosum
'Variegatum'
Pronunciation:
ah-ren-AH-ther-um ih-LAY-tee-us subspecies bul-BOH-sum
Common Name:
variegated bulbous oat grass
Family Name:
Poaceae
Plant Type:
Herbaceous perennial, Poales (grass-like)
Key ID Features:
True grass with bulbs, 0.4-2cm wide; leaves basal (carex-like) and then alternate on floral culms, blades up to 35cm long x about 6mm wide, green with white margins and strips.
Habit:
Arching, Spreading
Form:
Vase
Texture:
Medium - fine
Mature Height:
0.2 - 0.4m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Moderate
Origin:
Africa, Europe
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate
Landscape Uses:
Container planting, Ground cover, Group or mass planting, Perennial border, Summer interest
Additional Info:
Leaf Morphology:
Form:
Grass-like
Arrangement:
Alternate, Basal
Texture/Venation:
Leathery
Surfaces:
Glabrous
Colour in Summer:
Green, Silver / Grayish, white striped margins
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Entire
Additional Info:
Leaves variegated
Inflorescence Type:
Spikelet
Flower Morphology:
Flowers perfect
Number Of Petals:
0
Ovary Position:
Superior
Colour (petals):
Showy, Green, Silver
Flower Scent:
None
Flower Time at Peak:
Aug, Sep
Fruit Type:
Grain (caryopsis)
Fruit Colour:
Brown
Fruiting Time:
Sep
Additional Info:
Showy
Bark or Stem Colour:
Green, n/a
Organ Modifications:
Bulbs, swollen stem bases
Propagation:
Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Anthracnose, Rust (Deer resistant, Drought tolerant)
