Mouse-ear Cress
Arabidopsis thaliana
Found in disturbed areas, fields, roadsides, lawns. FloraQuest, phone app (app page) What its natural habitat tells you
Not native to Alabama. How scores work Is it native here?
Profile 65%
- Height
- 2–14 inches
- Light
- Full sun
- Soil moisture
- Dry to wet
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Annual
- Bloom
- March to May
Not yet recorded · Spread · Leaves
Recorded in 38 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?
3CaterpillarsGenus host records with ranges including AL
Genus host records with ranges including AL · Arabis
- Hellula rogatalisCabbage Webworm
- Pieris virginiensisWest Virginia White
- Pontia protodiceCheckered White
3BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Arabis
- Alectoris chukarChukar
- Centrocercus urophasianusGreater Sage-Grouse
- Leucosticte atrataBlack Rosy-Finch
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 · “March to May” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Height · “2–14 inches” · Minnesota Wildflowers
- Life cycle · “Annual” · Minnesota Wildflowers
- Light · “Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Dry; Moist; Wet (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Mouse Ear Cress; rockcress
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

