Greenhouse flower and vegetable growers in Canada are facing a labor shortage due to a rapidly growing cannabis industry. Cannabis producers are able to pay more competitive wages due to how lucrative the industry is. The greenhouse sector in Canada employs 16% of agriculture workers. Cannabis growth combined with a record low unemployment rate has made it increasingly difficult for greenhouse employers to recruit and keep workers.
See "Canadian greenhouse labor shortages worsened by growing cannabis producers", Kelsey Johnson, Reuters, July 29, 2019