Helictotrichon sempervirens
blue oat grass
Flower Color
Description
A dense, tufted evergreen grass with rather rigid blue-grey leaves to 23cm in length. Small, straw-coloured spikelets are borne in large open panicles on erect stems to 1.4m in height
Mature Height
1.5m
Mature Spread
1m
Plant Characteristics
Foliage
Evergreen
Growth Habit
Rosette
Growth Speed
Moderate · 0.4 m/yr
Soil Texture
ChalkClayLoamSand
Soil pH
AlkalineNeutral
Soil Moisture
Moist but well-drainedWell-drained
Hardiness (RHS)
H7
Hardiness (USDA)
Zones 1-9
Flowering Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Key Features
Generally pest-freeCoastalArchitecturalLow MaintenanceFlower borders and beds