Table 4: Advantages and disadvantages of phytoremediation over traditional technologies.

AdvantagesDisadvantages

Relatively low costLonger remediation times
Easily implemented and maintainedClimate dependent
Several mechanisms for removalEffects to food web might be unknown
Environmentally friendlyUltimate contaminant fates might be unknown
Aesthetically pleasingResults are variable
Reduces landfilled wastes
Harvestable plant material