Helictotrichon sempervirens (Blue Oat Grass)


Botanical Information

FamilyPoaceae
GenusHelictotrichon
Speciessempervirens
CategoryPerennials
OriginNative to Europe.

Details

USDA Hardiness Zone1a - 6a
USDA Hardiness Ref.
Canadian Hardiness Zone0a - 6a
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-51 - (-21)
Temperature (°F)-60 - (-5)
Height1 - 1.5 m
Spread0.5 - 1 m
GrowthMedium
Flowering PeriodAugust

Description and Growing Information

General DescriptionCompact tussocks forming evergreen grass.
ID CharacteristicLong blue-grey leaves with small, straw coloured spikelets.
LandscapeFlower borders and low maintenance architectural landscapes.
PropagationDivision.
CultivationBest grown in poor to moderate fertile to alkaline soil.
PestsNo major issues.

Photographs