The Worst Invasive Plants You Should Never Grow 

This infamous plant aggressively forms dense thickets that strangle native flora. Roots can pierce concrete, damaging structures and infrastructure.  

Japanese Knotweed 

Kudzu, known as "the vine that ate the South," quickly suffocates everything. It was introduced to curb erosion but has become a big issue in many locations, especially the Southeast.  


Giant hogweed is toxic and dangerous despite its height and huge white blossoms. Getting its sap on your eyes can cause blindness and severe skin burns.  

Giant Hogweed 

This lovely European plant occupies marshes and displaces local plants. It develops dense stands, decreasing wildlife habitat and controlling water movement.  

Purple Loosestrife 

Chinese privet, often planted as a hedge, escapes maintenance and forms dense thickets in woods, suffocating native species and diminishing biodiversity.

Chinese Privet 

English ivy, utilized as ground cover or decoration, may swiftly take over trees, buildings, and forest floors, shading native vegetation and inflicting structural damage.  

English Ivy 

This harmless-looking floating plant may quickly blanket entire water bodies, strangling native aquatic plants, depleting oxygen, and altering ecosystems.  

Water Hyacinth 

Saltcedar, introduced for erosion control, now dominates riparian habitats in many arid locations, displacing native plants and changing hydrology.  


Like its name, this vine may grow six inches every day, suffocating native plants. Dense mats can cover trees and bushes.  

Mile-a-Minute Vine 

This invasive species reduces livestock and wildlife forage by outcompeting native grasses. Many animals dislike its sharp spines, which can hurt grazing animals.  

Yellow Starthistle 

Top 10 Plants for Growing in Clay Soil 

Also See