If your school does not have resources for helping you to secure an internship, seek one out on your own. An internship or some other type of supervised work experience may lead to a job or better job prospects, or to recommendations for a job.

Some states require landscape contractors to have licenses. Most states also require a license or permit for workers who apply pesticides. Requirements tend to vary but generally include passing an exam. Applicants must show that their workers understand proper use and safe disposal of insecticides, herbicides, and fungicides.

Various associations and societies offer certification to grounds managers and other landscape professionals. You usually need to have formal schooling in landscaping and groundskeeping and some professional experience. You also typically need to pass an exam. Certification is not usually required to practice. However, it does provide potential employers and clients with standardized proof of your mastery of relevant skills.