Sudan Grass

Sorghum sudanense, Poaceae

Zones

5–11

Layer

Herbaceous

Lifespan

Annual

Growth

Fast

Guild Roles

Ground CoverMulch MakerWindbreak

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

5.5 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Dixie TicktrefoilDesmodium tortuosum

Nitrogen FixationBeneficial Insect Habitat

Pearl LupinLupinus mutabilis

Nitrogen Fixation

Spurred Butterfly PeaCentrosema virginianum

Nitrogen FixationPhysical Support

Florida Velvet BeanStizolobium deeringianum

Nitrogen FixationPhysical Support

Blue Pea BushPsoralea pinnata

Nitrogen FixationBeneficial Insect Habitat

Thompson's KudzuPueraria thomsonii

Nitrogen FixationPhysical Support

Hungarian CloverTrifolium pannonicum

Nitrogen Fixation

Chinese Milk VetchAstragalus sinicus

Nitrogen FixationNutrient Accumulation

Antagonistic Plants

Neglected SweetvetchHedysarum neglectum

Sudan grass allelopathy and rapid growth suppress sweetvetch establishment

Bush VetchVicia sepium

Sudan grass allelopathy strongly inhibits vetch germination and early growth

Japanese BushcloverLespedeza thunbergii

Sudan grass rapidly outcompetes and chemically suppresses Japanese bushclover

Uses

Functions

Biomass ProductionQuick Soil CoverCarbon SequestrationAllelopathic Weed Suppression

Edible Parts

Young ShootsSeeds

Common Questions

What zones does Sudan Grass grow in?

Sudan Grass grows in USDA hardiness zones 5 through 11.

What are good companion plants for Sudan Grass?

Good companions for Sudan Grass include Dixie Ticktrefoil, Pearl Lupin, Spurred Butterfly Pea, Florida Velvet Bean, Blue Pea Bush.

Design guilds with Sudan Grass and see companion relationships visually.

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