Louisiana Horticulture (Landscaping) License Requirements (2026)

Louisiana is one of the few states that licenses landscape contractors at the trade level. The Louisiana Department of Agriculture and Forestry (LDAF) Horticulture Commission issues six categories of horticulture license under La. R.S. 3:3801 et seq.: Landscape Horticulturist, Landscape Architect, Retail Florist, Wholesale Florist, Cut Flower Dealer, and Landscape Irrigation Contractor. Most landscape installation businesses require both the Landscape Horticulturist license (covers planting, sod, mulch, and ornamental design/install) and the Landscape Irrigation Contractor license. Any commercial application of pesticides additionally requires a Commercial Applicator certification from LDAF Pesticide and Environmental Programs.

Regulatory Body Profile

Louisiana State Licensing Board for Contractors (LSLBC) is the statutory authority responsible for issuing and enforcing this license under La. R.S. 37:2150 et seq.; LAC Title 46:XXIX (LSLBC rules). LSLBC licenses commercial, residential, and specialty contractors statewide, administers classification examinations through PSI/ICC, and conducts disciplinary proceedings under La. R.S. 37:2150 et seq.

Official portal: https://www.lslbc.louisiana.gov/
Address: 2525 Quail Drive, Baton Rouge, LA 70808
Phone: (225) 765-2301

The Eligibility Audit

The threshold requirements are straightforward: age 18 or above, plus a valid Social Security Number. No Louisiana residency requirement.

Good moral character

LDAF Horticulture Commission reviews disciplinary history.

Background investigation

Required disclosure on the application.

Experience and Education Standards

The sources cited here stop short of naming a year requirement; the operative standard is No formal experience requirement, but candidates must pass written examinations administered by the LDAF Horticulture Commission..

Accepted proof of experience or eligibility

LDAF Horticulture License application + exam pass certificates

Education substitution

LSU AgCenter Master Gardener and horticulture coursework recommended preparation.

The Exam Syllabus

The exam, administered by LDAF Horticulture Commission (paper exam at LDAF Baton Rouge headquarters quarterly), breaks into the parts shown below — all must be passed before licensure:

Landscape Horticulturist exam — plant ID, soils, planting practices, business law — 100 questions, 180 minutes, passing score 70%
Landscape Irrigation Contractor exam — design, hydraulics, installation, backflow — 100 questions, 180 minutes, passing score 70%

Examination fee: $85 per exam paid to LDAF.

Retake policy: Failed exams may be retaken at the next quarterly testing date with new $85 fee.

Bonding, Insurance & Financial Security

No statewide contractor license surety bond is required for this credential in the cited sources. Project-specific, permit, or public-works bonds may still apply, so confirm bonding before bidding a given job.

General liability

No state-mandated general liability minimum for the Horticulture license itself; commercial clients commonly require $1,000,000 / $2,000,000.

Workers' compensation

Mandatory under La. R.S. 23:1170 for any employer with one or more employees.

Additional financial requirements

Not required.

Schedule of Fees

Fee	Amount
Application (non-refundable)	$85
Examination	$170
Initial license	$85
Renewal (every year)	$85

Renewal and Continuing Obligations

The Louisiana Horticulture License (LDAF) — Landscape Horticulturist + Landscape Architect Categories runs on a year renewal cycle. The current renewal fee is $85. LDAF Horticulture licenses renew annually on June 30.

Continuing education: 4 CEU hours per category per year approved by LDAF.

Downloadable Asset

2026 Louisiana Landscaping License Roadmap (PDF) — a printable step-by-step checklist for the application process.

Download the PDF roadmap →

Out-of-State Reciprocity

For this classification, Louisiana does not recognize the NASCLA Accredited Examination.

Reciprocal State	Accepted Exam	Conditions
No formal bilateral reciprocity agreements identified.

Louisiana does not reciprocate the Horticulture license with any other state. LDAF pesticide certification may be granted reciprocally to applicants from Mississippi, Texas, Arkansas, or Alabama on a case-by-case basis.

Weighing more than one jurisdiction? The national hub compares Landscaping license requirements in every state — exam, bond, fee, and experience thresholds side by side.

The Application Roadmap

Register Louisiana business entity and EIN. File with the Louisiana Secretary of State.
Determine which Horticulture categories apply. Most landscape installers need Landscape Horticulturist + Landscape Irrigation Contractor.
Submit LDAF Horticulture License application. File with $85 fee per category.
Pass the Landscape Horticulturist exam at 70%. Quarterly written exam at LDAF Baton Rouge.
Pass the Landscape Irrigation Contractor exam at 70%. Required if installing irrigation systems.
Complete LDAF Commercial Pesticide Applicator certification (if applying pesticides). Core + Category 3 (Ornamental and Turf) exam.
Comply with LSLBC contractor licensing if project value > $50,000. LSLBC commercial license required for landscape construction projects of $50,000+.
Enroll workers compensation. Required for any W-2 employee.

Pre-Application Checklist

Before submitting to LSLBC, the applicant should have each of the following ready:

☐ Louisiana business entity registration
☐ LDAF Horticulture License application
☐ Landscape Horticulturist exam pass at 70%+
☐ Landscape Irrigation Contractor exam pass (if installing irrigation)
☐ LDAF Commercial Pesticide Applicator certification (if spraying)
☐ LSLBC contractor license (if project value > $50,000)
☐ Workers compensation coverage

Where Applications Stall

These are the recurring mistakes that most often delay or reject a Louisiana Landscaping application, based on the official instructions cited here.

Operating without the LDAF Horticulture license

La. R.S. 3:3805 makes unlicensed horticulture contracting a misdemeanor with fines up to $500 per violation.

Skipping the Landscape Irrigation category

Installing irrigation under only the Landscape Horticulturist license is a separate violation.

Hurricane debris and tree work overlap

Tree removal beyond incidental landscape pruning requires LDAF Arborist license under La. R.S. 3:4271.

Skipping LSLBC on $50,000+ projects

Large commercial landscape projects trigger LSLBC license requirements separately; ignoring this voids the contract.

Pesticide drift and Louisiana sensitive crop registry

LDAF maintains a sensitive crop registry; applicators must check before spraying near flagged properties.

Recommended Study Materials

The list below collects the board's cited references and the materials applicants typically study from. CLR is not paid to recommend any of them.

Landscape Horticulturist Study Guide — LSU AgCenter / LDAF. Official LDAF reference for the Landscape Horticulturist exam.
Landscape Irrigation Auditor Handbook — Irrigation Association. Required for the irrigation contractor exam.
Louisiana Pesticide Applicator Core Manual — LSU AgCenter Cooperative Extension. Required for LDAF Commercial Applicator.

Other Louisiana Trade Licenses

For a different Louisiana credential, see these companion guides published by CLR:

Common Questions

Does Louisiana actually license landscape contractors?

Yes. Louisiana is unusual in that LDAF's Horticulture Commission licenses landscape horticulturists at the state trade level under La. R.S. 3:3801. Operating without the license is a misdemeanor.

What is the difference between Landscape Horticulturist and Landscape Architect?

Landscape Horticulturist covers installation, planting, sod, mulch, and design within scope. Landscape Architect (separate license) covers full design services with sealed plans for any project. Many design-build firms hold both.

Is the Landscape Irrigation Contractor license really separate?

Yes. Installing or repairing landscape irrigation systems in Louisiana requires the LDAF Landscape Irrigation Contractor category, even if you already hold Landscape Horticulturist.

What is the LSLBC role?

The Louisiana State Licensing Board for Contractors licenses general and specialty contractors for projects $50,000+. Large landscape construction projects (commercial campuses, public works) commonly trigger LSLBC licensure on top of the LDAF Horticulture license.

How often does the Horticulture license renew?

Annually on June 30 with the $85 renewal fee per category. Recertification CEUs are tracked by LDAF.

Primary Sources

Regulatory requirements on this page are drawn from the official board, statute, and exam-provider materials listed below.

Verified 2026-05-28 · Next scheduled review 2026-08-26