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Brown County, WI Landscaping Rules: Native Plants (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Source list
Brown County Native Plant List
Approval authority
Brown County Zoning Administrator
Substitutions
Case-by-case, only when stock unavailable
Reference tool
WI Botanical Information System, Brown County filter
Applies to
Shoreland buffer restoration plantings

Summary

When Brown County landowners restore a shoreland vegetative buffer, every plant species must come from the county's approved Native Plant List, with substitutions requiring sign-off from the Zoning Administrator.

City-specific rules exist: Ashwaubenon has its own native plants rules that differ from Brown County's county-level regulations. If you live in Ashwaubenon, check the city-specific page instead.

(3) Brown County Native Plant List. Species of plants must be selected from the Brown County Native Plant List and approved for shoreline buffers by the Brown County Zoning Administrator. Substitutions must be approved by the Brown County Zoning Administrator. Substitutions to the list will be allowed in the event of lack of plant stock or seed availability on a case-by-case basis. All plants may be transplanted from areas outside of the buffer zone. The following link to the Wisconsin Botanical Information System shall be used to determine Brown County native plants. County: Brown, Origin: Native.

http://www.botany.wisc.edu/herb/Countysearch.html

(4) Shoreland Buffer Plan Requirements. When restoration of a shoreland buffer is chosen as a mitigation option, a restoration plan shall be completed by an engineer, landscape architect, surveyor or other licensed contractor acceptable by the Brown County Zoning Administrator. Said Plan must be approved by the county and shall include:

(a) Name and address of property owner.

(b) Property address and legal description.

(c) Extent of the shoreland buffer.

(d) Scale (e.g. 1 inch = 10 feet) or as approved by reviewer.

(e) North arrow.

(f) Ordinary high-water mark (OHWM) location.

(g) Location of all structures in the shoreland buffer zone.

(h) Viewing and access corridor.

Full Breakdown

Chapter 22's shoreland buffer standards require restoration plantings to meet set densities for tree canopy, shrub and groundcover layers, and every species used must be selected from the Brown County Native Plant List and approved for shoreline buffers by the Brown County Zoning Administrator. The county cross-references the Wisconsin Botanical Information System, filtered to Brown County native species, to build that list. Substitutions are allowed only case-by-case, when stock or seed of a listed species isn't available, and still need the Zoning Administrator's approval before planting.

Violations & Fines

Planting non-approved species in a required shoreland buffer restoration doesn't meet the vegetative buffer standard, which can hold up permit sign-off and exposes the owner to the same Chapter 30 forfeiture and nuisance enforcement as other buffer violations.

Frequently Asked Questions

Can I plant any species when restoring my shoreline buffer?
No. Brown County requires every restoration species to come from its Native Plant List and be approved by the Zoning Administrator; substitutions are allowed only case-by-case when listed stock isn't available.
Where does the Native Plant List come from?
The county uses the Wisconsin Botanical Information System's county search, filtered to Brown County native-origin species, as the reference for approved buffer plantings.

Sources & Official References

Other rules in Brown County

All Brown County rules

Compare Brown County to another location·View the Wisconsin landscaping rules overview

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