Family: Asteraceae

High Risk Traits:

• Native to, and able to spread in, regions with tropical climates
  
• Naturalized in tropical regions (but no evidence in the Hawaiian Islands to date)
  
• Reported to be a weed in a number of locations (but impacts are generally not specified)
  
• Other Tagetes species are invasive weeds
  
• Tolerates many soil types
  
• Reproduces by seeds (but may be rare in cultivation)
  
• May reach maturity in one growing season
  
• Seeds dispersed externally by animals and intentionally by people
  
• May resprout after cutting or damage

Low Risk Traits:

• Unarmed (no spines, thorns, or burrs)
  
• Non-toxic
  
• Ornamental
  
• Not reported to spread vegetatively
  
• Limited seed production in cultivation may limit spread