Australian grass tree - Xanthorrhoea preissii (Care, Characteristics, Distribution, Images)

Australian grass tree

Also known as: Blackboy

Australian grass tree appears like a tree with large bunches of grass-like leaves growing from its center. These leaves are highly flammable, but the tree itself can withstand fire. Banding on the trunk from new growth reveals both the age of the tree and the number of fires the tree has survived.

Scientific classification

Species

Australian grass tree (Xanthorrhoea preissii)

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Perennial

Lifespan

2.5 m to 3.5 m

Plant Height

2.5 m to 3.5 m

Spread

5 mm to 1 cm

Flower Size

Evergreen

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Australian grass tree

Quickly Identify Australian grass tree

Blue-green stiff leaves, 2-4 feet (60-120 cm) long, resembling a tree form.

Tall flowering scape, 6-10 feet (1.8-3 meters) high, with small white star-shaped blooms.

Upright, occasionally branched woody trunk, reaching up to 9 feet (2.7 meters) tall.

Persistent dark brown flower stalk post bloom for dramatic contrast.

Spreads 4-8 feet (1.2-2.4 meters) wide, creating a bushy, tree-like appearance.

Identify plants with a snap

Instantly identify plants with AI: Snap a photo, and get accurate results within seconds.

Download the App for Free

Care Guide for Australian grass tree

Every 3 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Australian grass tree, native to Australia, is a drought-tolerant evergreen that thrives with minimal moisture. It prefers dryness, requiring watering every three weeks. Typically grown outdoors, it maintains efficient hydration within its foliage across various climate zones.

Fertilize: For australian grass tree, use a high-nitrogen fertilizer once annually in spring. Apply slow-release pellets to prevent root burn, adjusting frequency for young plants. Mature australian grass tree need consistent fertilization for recovery post-flowering. Ensure even distribution and water thoroughly after application for optimal nutrient uptake.

Pruning: Australian grass tree, notable in Australian landscapes for its grass-like leaves and tall flower spikes, benefits from winter pruning to remove dead material. This promotes new growth and disease prevention. Using clean, sharp tools enhances australian grass tree's health and aesthetic, sustaining its year-round vitality.

Propagation: Australian grass tree is a resilient perennial known for its striking appearance. Propagation is best achieved through division, ensuring each segment includes rootstock. Adequate space and good drainage are essential, with minimal handling post-transplanting to maintain its unique structure and longevity.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free