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Landscape Industry Certified Interior Technician (formerly known as CLT-I)
 

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Exams may be taken in a computer based format at PSI Testing Centers (click here to learn more).

This exam is a multiple-choice format with 240 questions. The test is divided into two sections and a score of at least 70% is required in both sections. 

The subjects tested and number of questions in the topic are:
48 - Pesticides
24 - Plant Identification
24 - Safety
24 - Watering/Sub-irrigation
24 - Pruning
24 - Fertilization/Nutrition
24 - Insects
24 - Disease
24 - Customer Relations


Study materials may be ordered on line or by calling (800) 293-5542.

CLT-INTERIOR STUDY MATERIALS

Exam questions come from the materials listed below.  Candidates need to be very familiar with the information for the best chance of success.  Please rely on the following to guide your study as you prepare for the exam.

Safety Program for Green Industry Companies on CD-Rom, revised in 2006 - Sections 3, 4.
(This publication replaces the ALCA/STARS Safety Resource Manual, rev. 2003)

The Guide to Interior Landscape Specifications, 5th Edition, 2003 - pages 49 – 97

Biological Pest Management for Interior Plantscapes - pages 1 – 24

Tree Basics - pages 4-14, 28, 37-38 

Candidates should review all pages in these books
Plant Basics
Troubleshooting Foliage Plant Diseases

8 Videos (produced by ALCA) [These videos have been converted to DVD format]
  • Plant Identification, Part 1
  • Plant Identification, Part 2
  • Do's and Don'ts of Watering Plants
  • Sub-Irrigation Systems
  • Diagnosing Insects
  • Diagnosing Diseases
  • Clients - How to Keep 'Em
  • Safe Use of Pesticides in Interiorscapes
Candidates may take the tests at a date on the PLANET written test schedule or register for a exam at a local LaserGrade Test Center and take the test in a computer-based format. (Extra fee required). 

PROGRAM COSTS

TESTING FEES
Paper/pencil format at date on PLANET Exam Schedule
Full test (both exams) PLANET member fee is
$75.00
Full test (both exams) nonmember fee is
$150.00  
Single section, member fee is
$50.00
Single section, nonmember fee is
$75.00
* Additional fees required for computer-based testing.

How to Register

Download the application, complete the form and fax it to Professional Landcare Network  with credit card payment information (indicate Mastercard, Visa, Discovery or American Express) or mail to PLANET with a check made payable to Professional Landcare Network for the full amount of the application fee.

The application deadline is 30 days prior to the exam date. If less than 30 days remain before the test date, contact Zane Castle at (800) 395-2522 to confirm space is available.

Admission to the Test Site

Before the test date, you will receive a letter from Professional Landcare Network confirming your acceptance to sit for the exam. You must present the confirmation letter with a photo ID to be admitted to the test area.

NEED FOR SPECIAL TEST CONDITIONS OR ACCOMMODATIONS

Professional Landcare Network complies with the Americans with Disabilities Act (ADA) by offering candidates with documented disabilities the opportunity to request necessary aids and services that do not fundamentally alter the assessment process. Please contact the Professional Landcare Network headquarters office to secure an application form for this assistance. Applications for accommodations must be submitted at least 45 days prior to your scheduled examination date.

Notification of Results

Results will be mailed to all candidates within 3-4 weeks of the test date.

To ensure confidentiality, test results will not be given over the telephone.

Marketing Tools

Successful Professional Landcare Network certification candidates receive items to promote their achievement:
  • Certificate
  • Lapel pin
  • Logo files
  • Press release