Rough Spear Grass

Austrostipa scabra, Poaceae

Zones

8–11

Layer

Ground Cover

Lifespan

Perennial

Growth

Moderate

Guild Roles

ProducerGround CoverMulch MakerBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

MurnongMicroseris lanceolata

Pollinator SharingBeneficial Insect Habitat

Western MyallAcacia papyrocarpa

Nitrogen FixationShade Provision

Running PostmanKennedia prostrata

Nitrogen FixationBeneficial Insect Habitat

Swamp PaperbarkMelaleuca rhaphiophylla

Shade ProvisionBeneficial Insect Habitat

Antagonistic Plants

Sunshine WattleAcacia terminalis

Dense acacia growth can suppress grass species through root competition and shading

Bookleaf MalleeEucalyptus kruseana

Eucalyptus allelopathic compounds strongly inhibit grass growth and establishment

Uses

Functions

Grain ProductionErosion ControlHabitatThatch

Edible Parts

Seeds

Common Questions

What zones does Rough Spear Grass grow in?

Rough Spear Grass grows in USDA hardiness zones 8 through 11.

What are good companion plants for Rough Spear Grass?

Good companions for Rough Spear Grass include Murnong, Western Myall, Running Postman, Swamp Paperbark.

Design guilds with Rough Spear Grass and see companion relationships visually.

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