Plumbing in horticulture is essential for maintaining water systems in packing facilities, cold storage areas, and properties with extensive infrastructure. Plumbers ensure efficient water distribution, cooling, and air conditioning to support both plant production and facility operations. Their role includes installing, maintaining, and repairing water systems in new and existing facilities. They require skills in pipefitting, system maintenance, and technical plan reading, along with strong problem-solving abilities and knowledge of water conservation.