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Landscaping Rules in Waltham, MA (2026)

8 verified landscaping rules for Waltham, Massachusetts, sourced directly from the municipal code and official government pages.

Verified from official government sources

Grass Height Limits

Waltham property maintenance ordinance requires grass and weeds to be cut below 10 inches. Overgrown lots generate nuisance violations with fines and city mowing at the owner's expense.

Waltham Grass Height Rules

Some Restrictions

Tree Trimming

Public shade trees in Waltham are protected under MGL c.87 (Massachusetts Shade Tree Law). Cutting or major trimming requires Tree Warden approval and a public hearing for removals.

Waltham Tree Trimming Rules

Heavy Restrictions

Tree Removal & Heritage Trees

Removing a public shade tree in Waltham requires a Tree Warden hearing under MGL c.87. Private tree removal on your own property is generally allowed without a city permit.

Waltham Tree Removal Rules

Some Restrictions

Weed Ordinances

Waltham requires property owners to control noxious weeds and invasive vegetation under the property maintenance code. Overgrowth creating rodent, fire, or nuisance conditions triggers enforcement.

Waltham Weed Ordinance

Some Restrictions

Massachusetts Prohibited Plant List, MA Department of Agricultural Resources (May 2026)

Following is a list of plants, including all cultivars, varieties and hybrids, for which the sale, import, trade, purchase, distribution, propagation, and related activities are currently prohibited within the state of Massachusetts. Phase-out period for newly listed prohibited species: When a species is added to the Prohibited Plant List, nursery agents/growers may no longer receive or begin p...

Water Restrictions

Waltham follows Massachusetts Water Resources Authority and state drought management protocols. Outdoor watering is typically restricted to odd/even days or specific morning/evening hours during summer.

Waltham Water Restrictions

Some Restrictions

Rainwater Harvesting

Rainwater harvesting is fully legal in Waltham and encouraged by MassDEP for landscape irrigation. Rain barrels require no permit; larger cisterns must meet plumbing code and avoid cross-connections.

Waltham Rainwater Harvesting Rules

Few Restrictions

Native Plants

Native plantings are encouraged in Waltham and fully legal in residential yards. Massachusetts maintains a Prohibited Plant List banning invasive species that can displace natives.

Waltham Native Plants Rules

Few Restrictions

Massachusetts Prohibited Plant List, MA Department of Agricultural Resources (May 2026)

Following is a list of plants, including all cultivars, varieties and hybrids, for which the sale, import, trade, purchase, distribution, propagation, and related activities are currently prohibited within the state of Massachusetts. Phase-out period for newly listed prohibited species: When a species is added to the Prohibited Plant List, nursery agents/growers may no longer receive or begin p...

Artificial Turf

Artificial turf is generally permitted on residential property in Waltham. Larger installations may require building permits and must comply with stormwater and wetland setback rules near the Charles River.

Waltham Artificial Turf Rules

Few Restrictions

Looking for Middlesex County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Waltham city rules.

Landscaping Rules in Middlesex County