Gresham, OR Landscaping Rules: Weed Ordinances (2026)
Key Facts
- Max height
- 10 inches
- Applies to
- your lot and planter strip
- Exceptions
- cultivated, native, fire-safe plants
- Max fine
- $1,000
Summary
Gresham caps herbaceous vegetation at 10 inches on your own property as well as the planter strip and street or alley frontage next to it, with exceptions for cultivated, native, or fire-safe plantings under the general nuisance code.
No person in charge of property may permit nor cause to exist on their property, in the planter strip, or along the street or alley adjacent to the property any vegetation that: ... (h) is herbaceous and is more than 10 inches high, except for: (i) tended and/or cultivated, decorative, ornamental, or native plants that are not a fire hazard; or
Official source re-checked September 7, 2026: the cited page had not changed since it was quoted.
Full Breakdown
Under the general nuisance article, a property's owner or occupant may not let herbaceous vegetation grow past 10 inches on the lot itself, the planter strip, or the adjacent street or alley frontage. The cap doesn't apply to tended, cultivated, decorative, ornamental, or native plantings that aren't a fire hazard, to designated open-space or natural-resource areas, or to approved naturescaping, xeriscaping, or restoration plantings. Code compliance, under the city manager, enforces the standard; violations carry a fine up to $1,000.
Violations & Fines
Letting herbaceous vegetation exceed 10 inches, absent an exception, is a general nuisance violation punishable by a fine up to $1,000 under GRC 7.15.040(12).
Frequently Asked Questions
Does the height limit apply to my whole yard or just the street side?
Are ornamental grasses exempt?
Sources & Official References
Other rules in Gresham
How Gresham compares: Cities with the Strictest Weed and Property Maintenance Rules·Compare Gresham to another location·View the Oregon landscaping rules overview
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Weed Ordinances in Nearby Cities
How other cities in Multnomah County handle weed ordinances.