Field Pennycress

Thlaspi arvense, Brassicaceae

Zones

2–9

Layer

Ground Cover

Lifespan

Annual

Growth

Fast

Guild Roles

Ground CoverMulch MakerPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Giant SpurrySpergula maxima

Pollinator SharingBeneficial Insect HabitatTrap Crop

Caucasian ComfreySymphytum caucasicum

Nutrient Accumulation

Pitch TrefoilPsoralea bituminosa

Nitrogen FixationPest Deterrent

Antagonistic Plants

Hungarian CloverTrifolium pannonicum

Brassicas like field pennycress produce glucosinolates that can inhibit legume germination and growth

Mountain SainfoinOnobrychis montana

Field pennycress glucosinolates inhibit mountain sainfoin seed germination

Slenderleaf BundleflowerDesmanthus leptophyllus

Field pennycress allelopathy reduces bundleflower germination and early growth

Uses

Functions

Soil BreakingSulfur AccumulationPest DisruptionEarly Spring Cover

Edible Parts

SeedsLeaves

Common Questions

What zones does Field Pennycress grow in?

Field Pennycress grows in USDA hardiness zones 2 through 9.

What are good companion plants for Field Pennycress?

Good companions for Field Pennycress include Giant Spurry, Caucasian Comfrey, Pitch Trefoil.

Design guilds with Field Pennycress and see companion relationships visually.

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