Xanthorrhoea preissii (Australian Grass, Grass Tree)

Botanical Information

FamilyAsphodelaceae
GenusXanthorrhoea
Speciespreissii
CategoryPerennials
OriginCoastal Southwestern Australia.

Details

USDA Hardiness Zone12
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cool season preotection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH1b
RHS Hardiness Ref.
Temperature (°C)15
Temperature (°F)55
Height5 m
Spread1.5 m
Flowering PeriodJune, July, August, September, October, November, December

Description and Growing Information

ShapeUpright.
LandscapeShrub, accent, property borders or as a specimen.
CultivationPlant in dry well-draining gravely sandy, clay, granite or laterite-rich soils in full sun.
PestsNone known.
Notable SpecimensKings Park and Botanical Garden, Perth, Australia.
HabitatCoastal sandplains near watercourses.
Bark/Stem DescriptionSmooth scapes.
Leaf DescriptionLong lanceolate grass-like leaves 0.6 - 1 m in length growing in tufts at the scape base.
Flower DescriptionFlowering spike covered in an inflorescence of tiny simple flowers.
Colour DescriptionMedium green to tan grass-like leaves, medium green scape and dark brown spike covered in creamy white flowers.
Texture DescriptionSmooth.

Photographs