Start with the answer
First-Line Supervisors of Landscaping, Lawn Service, and Groundskeeping Workers pay in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD and Salinas, CA
The May 2025 BLS OEWS median for First-Line Supervisors of Landscaping, Lawn Service, and Groundskeeping Workers is $62,230 per year in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD. It is $78,730 per year in Salinas, CA. Philadelphia-Camden-Wilmington, PA-NJ-DE-MD is 21.0% below Salinas, CA on the published median.
Both rows use SOC 37-1012 and the same annual wage metric. Median means the middle of each area's published wage spread. It is not one worker's pay. The larger median is not proof that one place gives a better job or a better result. It is one wage fact from one source period.
BLS lists 2,300 wage and salary jobs in Philadelphia-Camden-Wilmington, PA-NJ-DE-MD and 230 in Salinas, CA. Those are survey job counts, not open posts. Read pay, job scale, local share, and price level as separate facts before you make a choice.