People in this group work for farmers, agricultural services, nurseries/greenhouses, landscaping companies, cemeteries, lawn care/tree service companies, landscaping departments of governments/other organizations, private fish hatcheries, and commercial aquatic farms. They may also be self-employed.
Here are the average annual salaries.
2010: $34,715
2005: $33,883
2000: $25,215
1995: $23,108
Entry-level: $27,532