Family: Lamiaceae
High Risk Traits:
- Broad climate suitability
- Widely naturalized (including Oahu and Hawaii islands)
- Garden and disturbance weed
- Potential environmental weed
- Other Mentha species have become invasive
- Possesses allelopathic properties
- Shade-tolerant
- Tolerates many soil types
- Can form monocultures and possibly exclude other vegetation
- Hybridizes with other Mentha species
- Self-compatible
- Spreads vegetatively
- Seeds and vegetative fragments can be spread by water, or by clinging to animals or machinery
- Can resprout from rhizomes following the removal of the aboveground growth
Low Risk Traits:
- Unarmed (no spines, thorns or burrs)
- Ornamental and culinary uses
- May produce few or no seeds in introduced range