Garlic Mustard
Alliaria petiolata
Found in moist forests in bottomlands and on slopes. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Not native to Alabama. How scores work Is it native here?
Profile 71%
- Height
- Mature plants produce erect flowering stems up to 4.13 feet high [15].
- Light
- Deep shade, Partial shade
- Soil moisture
- Usually moist

At a glance
- Life cycle
- Biennial
- Bloom
- April to June
- Fruiting season
- May to June
Not yet recorded · Spread · Leaves
Recorded in 2 Alabama counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forests on moist but not wet ground, such as rich slopes and ravines.
Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Alabama. Shared habitat, not food. 147 animals.
- Swainson's WarblerLimnothlypis swainsonii
- Wild TurkeyMeleagris gallopavo
- Worm-eating WarblerHelmitheros vermivorum
- American Black DuckAnas rubripes
- American KestrelFalco sparverius
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Black-crowned Night-heronNycticorax nycticorax
- Blue-winged WarblerVermivora pinus
- Brown ThrasherToxostoma rufum
- Chipping SparrowSpizella passerina
- Eastern PhoebeSayornis phoebe
- Eurasian Collared-doveStreptopelia decaocto
- Golden-winged WarblerVermivora chrysoptera
- Great Blue HeronArdea herodias
- Great EgretArdea alba
- Green HeronButorides virescens
- Hermit ThrushCatharus guttatus
- Kentucky WarblerOporornis formosus
- Lincoln's SparrowMelospiza lincolnii
- MallardAnas platyrhynchos
- Orange-crowned WarblerVermivora celata
- Red-breasted NuthatchSitta canadensis
- Red-shouldered HawkButeo lineatus
Who uses this plant?
1Specialist beesPollen specialists
Plant details
- Family
- Brassicaceae
- Hardiness
- Zones 6a–8b
- Soil pH
- Acidic to alkaline
- Flower color
- White
- Fruit begins
- May
- Fruit ends
- June
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “April to June” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “White” · NC Extension Plant Toolbox
- Fruit begins · “May” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “June” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Hardiness · “Zones 6a–8b” · NC Extension Plant Toolbox
- Height · “Mature plants produce erect flowering stems up to 4.13 feet (1.25 m) high [15].” · Fire Effects Information System: Alliaria petiolata (ranked first; Minnesota Wildflowers differs) · Source botanical description; original units and scope retained
- Life cycle · “Biennial” · NC Extension Plant Toolbox
- Light · “Deep shade (less than 2 hours to no direct sunlight); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- primary_flower_color · “white” · NC Extension Plant Toolbox
- Soil · “Moist; Occasionally wet” · NC Extension Plant Toolbox
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
Conservation status
| Alabama rank | Not available |
|---|---|
| Global rank | GNR |
| AL status | Not verified |
| Federal status | Not verified |
Native alternatives
Find natives for your gardenSources
- Alabama Plant Atlas
- USDA PLANTS
- Weakley, Flora of the Southeastern United States (2025)
- 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

























