U.S. lawmakers have introduced a proposal to add a $5-per-unit duty on Mexican onion imports, citing the dramatic rise in domestic production costs — from $1,876 per acre in 1992 to $6,438 in 2025. The move is framed as leveling the playing field against imports that operate under different labor and regulatory standards. If passed, this could significantly disrupt supply for buyers who rely on Mexican onions, particularly during gaps in domestic production. Watch how industry groups and import-heavy distributors respond, and start assessing your sourcing exposure now.