Family: Asparagaceae

Origin, Description & Uses
Dracaena trifasciata (mother-in-law’s tongue, also known as snake plant) is native to tropical Africa, ranging from southern Nigeria across west-central Africa to Tanzania. This hardy evergreen succulent is widely cultivated around the world as an ornamental plant due to its striking upright leaves, drought tolerance, and ability to thrive in low-light conditions. Popular in both indoor and outdoor landscapes, it is commonly used in containers, foundation plantings, xeriscapes, and as a low-maintenance houseplant. Its architectural form and resilience have made it a favorite among gardeners and landscapers in tropical and subtropical regions.

Risks & Threats
Mother-in-law’s tongue is naturalized on Kauaʻi, Oʻahu, and Maui, demonstrating its ability to escape cultivation and persist in Hawaiian environments. The species reproduces readily through rhizomes and vegetative fragments, allowing it to spread into surrounding habitats and form dense patches that can suppress native vegetation and reduce plant diversity. Its tolerance of drought, shade, and a wide range of environmental conditions increases its potential to establish in disturbed and natural areas. Because it possesses traits associated with invasive plants, it is considered a high-risk species and could detrimentally impact tropical island ecosystems if its spread continues unchecked. Where possible, gardeners and landscapers are encouraged to select low-risk or native alternatives. In areas where mother-in-law’s tongue is already widespread, efforts should focus on responsible management and preventing new plantings near natural areas or regions where it is not yet widely established to minimize further ecological impacts.

High Risk Traits:

• Already naturalized and an environmental weed in Australia
  
• Shade-tolerant
  
• Tolerates wide range of soil types
  
• Reproduces vegetatively via rhizomes
  
• Bird-dispersed fleshy berries
  
• Seeds survive gut passage
  
• Widely cultivated, increasing introduction risk

Low Risk Traits:

• No spines, thorns, or burrs
  
• No allelopathic evidence
  
• Not a fire hazard (succulent)
  
• Not an agricultural/forestry weed