National Nursery Authority

The Landscaping Services Directory on National Nursery Authority organizes verified landscaping service providers, nursery suppliers, and plant material resources into a structured reference for contractors, property managers, and procurement professionals operating across the United States. The directory spans residential, commercial, and institutional landscaping categories, with each listing evaluated against defined criteria before inclusion. Understanding the directory's scope and maintenance standards helps users locate the right resource and interpret the absence of a listing accurately.

Standards for Inclusion

Inclusion in the directory is not automatic. Each entry must satisfy a defined set of criteria covering business type, geographic service scope, and operational focus before a listing appears in the landscaping services listings.

Eligible categories include:

1. Licensed landscaping contractors — firms providing design, installation, or maintenance services with verifiable state-level licensing where required. Licensing requirements vary by state; a background on those requirements is covered in nursery licensing and certification requirements by state.
2. Wholesale nursery suppliers serving the trade — operations that supply balled-and-burlapped stock, container-grown material, or bare-root plants directly to contractors. Suppliers must demonstrate a wholesale trade focus, not retail-only operations.
3. Specialty plant material producers — growers with documented production of native species, drought-tolerant stock, pollinator-supportive cultivars, or regionally adapted material aligned with US climate zones.
4. Green infrastructure specialists — contractors with documented experience in rain gardens, bioswales, or stormwater-related planting projects.
5. Nursery procurement services — third-party sourcing agents or plant brokers who facilitate supply between growers and landscape contractors.

A business operating in 2 or more of these categories may receive a single cross-referenced listing rather than duplicate entries. Sole retail garden centers without a contractor-facing wholesale function do not meet inclusion standards.

Listings must include verifiable contact and service area information. Entries lacking a confirmed business address, state registration, or service territory are excluded. The nursery directory listing criteria and standards page provides the full technical specification for what constitutes a compliant submission.

How the Directory Is Maintained

The directory operates on a structured review cycle. Listings are assessed for continued compliance at least once per calendar year, with off-cycle reviews triggered by reported inaccuracies, license lapses, or verified operational changes.

Maintenance procedures include:

• Business status verification — cross-referencing state contractor license databases and nursery certification records to confirm active status
• Geographic scope updates — service area boundaries are updated when a listed entity expands into or withdraws from a US region
• Category reclassification — entries are moved between subcategories when a business changes its primary function (e.g., transitioning from retail to wholesale-only)
• Delisting — entries are removed when a business ceases operations, loses required licensing, or fails to respond to two consecutive verification contacts

Plant material categories within the directory are also updated to reflect shifts in nursery stock availability, with particular attention to regional nursery stock availability by US climate zone, since a supplier's relevance to a contractor depends heavily on climate-zone alignment.

What the Directory Does Not Cover

The directory is a professional trade reference, not a consumer-facing marketplace. Several categories fall explicitly outside its scope:

• Retail garden centers without a documented wholesale or contractor account program
• Landscape architects and designers who do not provide installation or plant procurement services — design-only practices are a separate professional category
• Lawn care and maintenance-only operators — firms focused exclusively on mowing, fertilization, or pest control without plant installation services
• Equipment suppliers and hardscape contractors — the directory covers soft-scape and plant material services; hardscape, irrigation, and equipment dealers are excluded
• Individual nursery growers selling exclusively direct-to-consumer at farmers markets or single-location retail

The distinction between a wholesale nursery supplier and a retail nursery is a frequent point of confusion. A wholesale operation sells in minimum quantities to trade buyers, typically maintains a contractor account structure, and does not price by individual unit for walk-in consumers — this contrasts with a retail nursery, which prices per-unit and serves the general public. The nursery-and-landscaping-services-relationship page covers this structural distinction in depth.

The directory also does not make regulatory or compliance determinations. Whether a listed contractor meets the specific licensing requirements of a given project or jurisdiction is outside the directory's function. Resources covering USDA APHIS nursery regulations for landscaping and plant health inspection standards for landscapers provide regulatory context separately.

Relationship to Other Network Resources

The directory functions as one node within a broader reference structure. It connects to educational and technical content rather than operating as a standalone tool.

Contractors using the directory to locate nursery suppliers will find supporting context in pages covering wholesale nursery suppliers for landscapers, grower-direct purchasing for landscape contractors, and nursery availability lists: how landscapers use them. These resources address how to interpret supplier listings in the context of real procurement decisions.

Plant material reference pages — covering stock types such as balled-and-burlapped trees for landscape installation, container-grown plants in landscaping, and bare-root plants for landscaping projects — provide the technical background that makes supplier listings actionable rather than abstract.

For users new to the structure of this resource, how to use this landscaping services resource explains navigation pathways and how directory listings relate to the educational content across the site. Industry association context is available through nursery industry associations relevant to landscapers and the American Nursery and Landscape Association overview, both of which situate the directory within the broader professional landscape of the US nursery and landscaping trade.

This site is part of the Trade Services Authority network.