And so for years, he’s relied on foreign, seasonal laborers from Mexico, which he hires legally through the federal H2B visa program. Graham said he was lucky this year and got visas for the 50 workers he needed this season. “There’s just no alternative.”Virginia businesses applied for permission to bring in over 4,000 foreign workers to fill seasonal jobs under the H2B program last year. As the economy has improved since, demand for seasonal workers has steadily increased, he said. The seasonal workers say the ability to come work part of the year in the United States has changed their lives.