That's truly dependant on where you are applying. Some business want you to have a degree in landscaping, and some just want you to have some expirence.
The following is by and according to the U.S. Department of Labor and particular to the education and training required for a electrician.
Most electricians learn their trade through apprenticeship...
Agencies employing people for an advertising job will look for graduates from a broad range of degree disciplines. Preferred degrees include business studies,media studies, psychology, advertising or...
Every business is different, however most will want you to have a degree or experience in marketing. The larger the company, the more they require qualifications. It really all depends on the...