Do not plant. Listed invasive in Kentucky.
Photographs are not available yet.
Ecological relationships
Who uses this plant?
2CaterpillarsGenus host records with ranges including KY
Genus host records with ranges including KY · Thlaspi
- Eustixia pupulaSpotted Peppergrass Moth
- Pontia protodiceCheckered White
—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
Growing and identification
Plant details
- Family
- Brassicaceae
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team) · Carolinas and Georgia
Also known as
Garlic Pennycress; Roadside Pennycress; Thlaspi alliaceum; pennycress
Conservation status
| Kentucky rank | SNA |
|---|---|
| Global rank | GNR |
| KY status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- tnky_atlas
- ky_invasive
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications