Certified Ornamental Landscape Professional (COLP) Ornamental landscape firms increasingly seek COLP holders to lead design and installation teams, with certified professionals commanding 15–25% higher wages than non-certified peers in most markets. This credential signals mastery of plant selection, hardscape integration, and client communication? skills that directly translate to supervisory roles and higher earning potential.
| Exam Name | Certified Ornamental Landscape Professional |
| Exam Code | COLP |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
