Landscaping Rules in Columbia, MO

If you live in Columbia or are thinking about moving there, landscaping rules are one of those things you probably won't think about until they affect you directly. Columbia has 5 specific rules on the books covering different aspects of landscaping rules, and some of them might surprise you.

Water Restrictions

Columbia, Missouri has no standing lawn-watering schedule: irrigation restrictions kick in only when the city manager declares a water use emergency, triggered by a main break or demand nearing 24 million gallons a day.

Key details: Governing section: Code of Ordinances § 7-5. Trigger: main break or 24 MGD demand. Standing watering schedule: none. Regulation duration: 21 days unless revoked. Max penalty: $1,000 fine or 3 months jail.

Violating a temporary emergency water regulation after notice is an offense punishable by up to $1,000 or three months in jail under § 7-4(b); lesser breaches are infractions capped at $200.

The rules around water restrictions in Columbia lean permissive, but that does not mean anything goes.

Weed Ordinances

Columbia, Missouri caps turf grass and weeds at 12 inches on any lawn or yard in Boone County; taller growth is a public nuisance the city can abate and bill to the owner.

Key details: Height limit: 12 inches. Enforcement: City hearing officer, health dept.. Abatement deadline: 5 business days after order. Unpaid cost: 8% interest, property lien.

Failure to mow triggers a nuisance hearing and abatement order; unpaid abatement costs become a special tax bill lien on the property, accruing 8 percent interest annually.

Native Plants

Columbia, Missouri exempts managed native landscapes from its 12-inch mowing rule if the yard controls invasive plants and clears dead native vegetation by March 21 each year.

Key details: Exception: Native landscapes skip 12-in. mowing rule. Condition: Control non-native invasive plants. Condition: Remove dead vegetation by March 21. Still applies: §11-252(a) nuisance rules.

Failing to meet the exception's conditions strips the native-landscape defense; the yard reverts to a nuisance under § 11-253, with abatement and a special taxbill against the property under § 11-256.

If you are coming from a city with tighter rules, you will find Columbia gives residents more flexibility on native plants.

Tree Trimming

Columbia, Missouri property owners must keep tree limbs at least 14 feet above the traveled portion of adjoining streets and alleys, per § 24-6 of the city code.

Key details: Clearance: 14-foot minimum branch clearance. Applies to: Streets and alleys. Duty on: Owner, tenant or occupant. Requirement: Trimming required, not just planting.

Letting tree limbs hang lower than 14 feet over the traveled portion of a street or alley is a violation of § 24-6, chargeable to the property owner, occupant or person in control.

Tree Removal & Heritage Trees

In Columbia, Missouri, clearing or logging trees 4 inches DBH or larger on tracts of one acre or more requires a land disturbance permit, logging permit, or tree preservation plan under the Unified Development Code.

Key details: Trigger threshold: Trees 4"+ DBH, tract 1+ acre. Permit needed: Land disturbance, logging, or preservation plan. Significant tree: 20"+ DBH, healthy, non-invasive. Replacement: 3 trees per removed significant tree. Fee alternative: $750 per tree to city.

Clearing or logging trees without the required land disturbance, logging, or tree preservation permit, or failing to replace a removed significant tree, is a Unified Development Code violation enforceable by the city arborist and Public Works.

The Bottom Line

Compared to many U.S. cities, Columbia gives residents more room on landscaping rules. 2 of the 5 rules here are rated permissive. But permissive does not mean unregulated. There are still requirements, and the city does enforce them when violations are reported.

These rules come from Columbia's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.