BLOOMINGTON, Ind. (AP) - A state committee estimates that Indiana landowners
and managers spent nearly $6 million last year in trying to control invasive
The Invasive Plant Advisory Committee reached its estimate after surveying
116 government agencies, land trusts, municipalities, contractors and
private landowners around the state, representing more than 650,000 acres of
managed public and private land. The survey didn’t include farms.
State agencies spent nearly $3 million last year against the plants in
forests, prairies, wetlands and lakes, according to the survey.
Among the troublesome plants in Indiana is the Asian bush honeysuckle, a
landscaping shrub that impedes tree regeneration when it spreads through
forests and can reduce the growth of forest canopy trees by more than 50
percent, according to The Nature Conservancy, an environmentalist group.
The survey identified nearly 50 species of invasive plants being managed
Participants identified garlic mustard as the most commonly controlled
invasive plant in Indiana, with nearly three-fourths saying they try to
“The responses demonstrate how invasive species have gotten a strong
foothold in Indiana and how expensive it is to remove them,” said committee
chairwoman Ellen Jacquart, who is a Nature Conservancy staff member.
The committee, created by the General Assembly in 2010, is working on
proposals for decreasing the movement and spread of invasive species.