2020 Hamilton County Invasive Species Survey

In 2020, the HIP technical committee issued an online survey to assess which species were deemed "most problematic" in Hamilton County.  You can view or download the full report below.

Questions?  Email hcinvasives@hamiltoncounty.in.gov

Download the report here

The ton ten responses were (in order):

• Asian bush honeysuckle
• Callery pear
• Wintercreeper
• Canada thistle
• Garlic mustard
• Burning bush
• Multiflora rose
• Autumn olive
• Japanese honeysuckle
• Japanese knotweed