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Alexandergrass

Brachiaria plantaginea, Poaceae

Zones
9–11
Layer
Ground Cover
Lifespan
Annual
Growth
Fast

Guild Roles

Ground CoverMulch Maker

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Silver Leaf DesmodiumDesmodium uncinatum
Nitrogen FixationPhysical Support
Shrubby StyloStylosanthes scabra
Nitrogen FixationBeneficial Insect Habitat
Hairypod CowpeaVigna luteola
Nitrogen Fixation
Caribbean StyloStylosanthes hamata
Nitrogen FixationBeneficial Insect Habitat

Antagonistic Plants

Sky LupineLupinus nanus

Dense grass root system competes with lupine for water and nutrients

Bladder CloverTrifolium spumosum

Alexandergrass forms dense stands that outcompete clovers for resources

Uses

Functions

Rapid Soil CoverageBiomass ProductionErosion ControlWeed Suppression

Common Questions

What zones does Alexandergrass grow in?

Alexandergrass grows in USDA hardiness zones 9 through 11.

What are good companion plants for Alexandergrass?

Good companions for Alexandergrass include Silver Leaf Desmodium, Shrubby Stylo, Hairypod Cowpea, Caribbean Stylo.

Design guilds with Alexandergrass and see companion relationships visually.

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