What is an Invasive Plant?

An invasive plant is a non-native plant that infests natural areas and causes environmental or economic harm, or harm to human health. Of the roughly 2,900 plant species growing outside of cultivation in Indiana,approximately 33% are non-native but only a small fraction of those non-native species are invasive. Invasive plants degrade and destroy thousands of acres of our natural plant communities in Indiana. Each year millions of dollars are spent to control them.