Austral Themeda

Themeda australis, Poaceae

Zones

8–11

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

Ground CoverMulch Maker

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

5.5 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Black WattleAcacia mearnsii

Beneficial Insect HabitatWind Protection

Stinking WattleAcacia cambagei

Nitrogen FixationWind Protection

Flame TreeBrachychiton acerifolius

Beneficial Insect HabitatNurse Plant

Ridge-fruited MalleeEucalyptus incrassata

Wind ProtectionBeneficial Insect Habitat

Antagonistic Plants

Tasmanian PeppercressLepidium pseudotasmanicum

Brassica family plants like Lepidium release glucosinolates that can inhibit grass germination and growth

Ironwood WattleAcacia estrophiolata

Ironwood Wattle releases tannins that inhibit grass growth beneath canopy

Uses

Functions

Erosion ControlWildlife HabitatFire ManagementMulch Production

Edible Parts

Seeds

Common Questions

What zones does Austral Themeda grow in?

Austral Themeda grows in USDA hardiness zones 8 through 11.

What are good companion plants for Austral Themeda?

Good companions for Austral Themeda include Black Wattle, Stinking Wattle, Flame Tree, Ridge-fruited Mallee.

Design guilds with Austral Themeda and see companion relationships visually.

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