Print version of the Certified Plant Professional manual. Log-in to your membership account to purchase at the discounted member price. The Certified Plant Professional (CPP) manual is an essential study guide to prepare individuals for the Certified Plant Professional exam, Although no guide can list everything one must know and apply, this guide covers a wide range of information and highlights important industry knowledge. It also includes recommended reading lists at the end of most chapters to help readers expand their learning. Each chapter includes one or more review sections, with a sample certification exam included at the end of the manual. The CPP exam consists of two parts, a 200-question written exam based on the content of this manual, and a plant identification exam comprised of at least 50 plants. The CPP manual is a study guide to assist individuals as they prepare to undertake the CPP exam.