Lesser Swine-cress
Lepidium didymum
Found in fields, roadsides, disturbed areas. FloraQuest, phone app (app page) What its natural habitat tells you
Not native to Alabama. How scores work Is it native here?
Profile 59%
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist

At a glance
- Bloom
- May to July
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 31 Alabama 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.
Who uses this plant?
11CaterpillarsGenus host records with ranges including AL
Genus host records with ranges including AL · Lepidium
- Anthocharis mideaFalcate Orangetip
- Ascia monusteGreat Southern White
- Chlorochlamys chloroleucariaBlackberry Looper Moth
- Eustixia pupulaSpotted Peppergrass Moth
- Feltia subterraneaSubterranean Dart, Granulate Cutworm
- Hellula phidilealisCabbage Budworm
- Hellula rogatalisCabbage Webworm
- Plutella porrectellaDame's Violet Moth, Dame's Rocket Moth
- Pontia protodiceCheckered White
- Spodoptera frugiperdaFall Armyworm Moth
Show all 11
- Thyridopteryx ephemeraeformisEvergreen Bagworm Moth
5BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Lepidium
- Callipepla californicaCalifornia Quail
- Centrocercus urophasianusGreater Sage-Grouse
- Columbina passerinaCommon Ground Dove
- Perdix perdixGray Partridge
- Zenaida macrouraMourning Dove
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
Plant details
- Family
- Brassicaceae
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “May to July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Coronopus didymus; Lesser Swine Cress
Conservation status
| Alabama rank | SNA |
|---|---|
| Global rank | GNR |
| AL status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- Alabama Plant Atlas
- USDA PLANTS
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: South Central (Weakley), phone app (app page)
- NatureServe Explorer
- 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

