Xanthorrhoea Species, Australian Grass Tree, Square Leaved Grass Tree
Xanthorrhoeaquadrangulata

Family: Asphodelaceae (as-foh-del-AY-see-ee)
Genus: Xanthorrhoea (zan-thor-ROH-ee-uh)
Species: quadrangulata (kwad-ran-gew-LAY-tuh)

Category
Cactus and Succulents

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun

Foliage
Grown for foliage
Evergreen
This plant is fire-retardant

Foliage Color
Bronze
Blue-Green

Height
4-6 ft. (1.2-1.8 m)

Spacing
6-8 ft. (1.8-2.4 m)

Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Danger

Bloom Color
White/Near White
Cream/Tan

Bloom Characteristics

Bloom Size

Bloom Time

Other details

Soil pH requirements
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods
Direct sow as soon as the ground can be worked

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds