The Bureau of Plant Industry protects Wisconsin's agricultural and horticultural interests by overseeing and ensuring compliance with laws and regulations involving plant pests, honeybees, industrial hemp, nursery plants, Christmas trees, firewood and seed. The Bureau carries out control or eradication programs designed to prevent the spread of harmful pests. These programs include inspection, certification, quarantine and survey activities.
The Bureau also facilitates interstate and international commerce of agricultural products and commodities by certifying plant health and the pest-free status of Wisconsin exports. It maintains cooperative agreements with the USDA Animal and Plant Health Inspection Service (USDA APHIS), the USDA Forest Service, and other state and federal agencies.