Argentine Peppercress

Lepidium bonariense, Brassicaceae

Zones

8–11

Layer

Herbaceous

Lifespan

Perennial

Growth

Fast

Guild Roles

ProducerPest ConfuserDynamic Accumulator

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

MuntriesKunzea pomifera

Pollinator SharingPest Deterrent

Antagonistic Plants

Tasmanian PeppercressLepidium pseudotasmanicum

Two peppercress species compete for similar resources and may exhibit allelopathic effects

Golden PeppercressLepidium flavum

Golden and Argentine peppercress compete for root space and light in similar niches

Stout Bamboo GrassAustrostipa ramosissima

Brassicaceae allelopathic compounds inhibit monocot growth including grasses

Common WheatgrassElymus scaber

Argentine Peppercress glucosinolates inhibit wheatgrass growth and development

Uses

Functions

Spicy Green ProductionSoil ImprovementCompanion Planting

Edible Parts

LeavesFlowersSeeds

Medicinal Uses

Digestive AidAnti-Inflammatory

Common Questions

What zones does Argentine Peppercress grow in?

Argentine Peppercress grows in USDA hardiness zones 8 through 11.

What are good companion plants for Argentine Peppercress?

Good companions for Argentine Peppercress include Muntries.

Design guilds with Argentine Peppercress and see companion relationships visually.

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