Weed Control
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Garlic Mustard
Information | Images
Alliaria petiolata
Biennial
Identification and management tips
- Garlic mustard has small, four petaled white flowers clustered at the top of a single stem.
- In the spring, new leaves have a prominent garlic smell.
- Garlic mustard produces chemicals that inhibit the growth of other plants, fungi, and butterfly larvae and displaces native plants due to its aggressive mat-like growth habit.
Most effective control methods and timing
| March | April | May | June | July | Aug | Sept | Oct |
|---|---|---|---|---|---|---|---|
|
Prev Chem Mech |
Prev Chem Mech |
Mech |
Mech |
Chem |
Chem |
Prevention (Prev) Monitor and destroy new plants before seed production.
Mechanical (Mech) Hand pulling, digging, cutting, mowing and tilling.
Cultural (Cult) Biological control agents, livestock grazing, and revegetation practices.
Chemical (Chem) Selective herbicides based on the plant and the specific location. Check our weed fact sheets for specific control information.
Links
Photo credits
Left to right:
- Leslie J. Mehrhoff, Univ. of Conn., Bugwood.org,
- Chris Evans, River to River CWMA, Bugwood.org,
- Leslie J. Mehrhoff, Univ. of Conn., Bugwood.org,
- Connie Gray, GA-EPPC, Bugwood.org