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Perfoliate Pennycress

Thlaspi perfoliatum

In the Carolinas and Georgia, found in fields, disturbed areas. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

—
Not native

Not native to Arkansas. How scores work Is it native here?

Profile 59%

Light
Partial shade, Full sun
Soil moisture
Dry to moist

At a glance

Bloom
March to May
Fruiting season
April to June

Not yet recorded · Height · Spread · Life cycle · Leaves

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 4 Arkansas counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

2CaterpillarsGenus host records with ranges including AR

Genus host records with ranges including AR · Thlaspi

  • Eustixia pupulaSpotted Peppergrass Moth
  • Pontia protodiceCheckered White
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
—BeesSoutheastern regional records
—Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Thlaspi

  • Centrocercus urophasianusGreater Sage-Grouse
  • Pooecetes gramineusVesper Sparrow
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

Growing and identification

Plant details

Family
Brassicaceae
Fruit begins
April
Fruit ends
June

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Clasp Leaf Penny Cress; Perfoliate Penny Cress; Thlaspi perfoliatum; pennycress

Conservation status

Arkansas rankSNA
Global rankGNR
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources