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Southern Sweet Grass

Hierochloe australis, Poaceae

Zones
4–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Ground CoverPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Needle RushJuncus roemerianus
Pollinator SharingBeneficial Insect Habitat
Soft Blue Stem GrassMuhlenbergia pubescens
Pollinator SharingBeneficial Insect Habitat
Canada BluejointCalamagrostis canadensis
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Tall Moor GrassMolinia arundinacea

Tall moor grass forms dense tussocks that compete with sweet grass for growing space and nutrients

Uses

Functions

Ceremonial UseFragrant Ground CoverErosion Control

Medicinal Uses

Ceremonial SmudgingAromatherapy

Common Questions

What zones does Southern Sweet Grass grow in?

Southern Sweet Grass grows in USDA hardiness zones 4 through 8.

What are good companion plants for Southern Sweet Grass?

Good companions for Southern Sweet Grass include Needle Rush, Soft Blue Stem Grass, Canada Bluejoint.

Design guilds with Southern Sweet Grass and see companion relationships visually.

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