Invasive Plant Rules in Porter County, IN (2026)
1 rule for unincorporated Porter County, Indiana.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Porter County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Prohibited Species
Porter County's Unified Development Ordinance requires all landscaping material installed to satisfy the county's planting requirements to be non-invasive, with the Plan Commission's Executive Director holding authority to prohibit additional species. The rule covers required plantings tied to a subdivision approval or an Improvement Location Permit, not incidental gardening elsewhere on a lot.
Porter County Non-Invasive Landscaping Rule
Some RestrictionsPorter County UDO §5.23 LA-02(A)(3)
3. Permitted: All plant material shall be non-invasive species not otherwise prohibited by the Executive Director.
All Porter County ordinances
See every category we cover for Porter County: parking, noise, fences, fires, animals, pools, and more.
Porter County Ordinance Hub →