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Tall Spear Grass

Austrostipa pubinodis, Poaceae

Zones
8–11
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Ground CoverMulch MakerBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Ironwood WattleAcacia estrophiolata
Nitrogen FixationWind Protection
Stinking WattleAcacia cambagei
Nitrogen FixationNurse Plant
Spike WattleAcacia oxycedrus
Nitrogen FixationBeneficial Insect Habitat

Antagonistic Plants

Poverty GrassAustrostipa bigeniculata

Closely related grass species compete intensely for the same ecological niche, root space, and light resources

Feather Spear GrassAustrostipa elegantissima

Congeneric grasses with similar growth habits and resource requirements exhibit strong competitive interactions

Uses

Functions

Erosion ControlSoil BuildingWildlife Habitat

Edible Parts

Seed

Common Questions

What zones does Tall Spear Grass grow in?

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

What are good companion plants for Tall Spear Grass?

Good companions for Tall Spear Grass include Ironwood Wattle, Stinking Wattle, Spike Wattle.

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

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