Lead-safe gardening Tips for gardening in soil contaminated with lead. Gardening is a healthy activity for kids, but many soil in San Francisco is contaminated with harmful lead. Learn how to prevent exposure to lead from gardening (English. Chinese, Spanish). Last updated June 18, 2024 Related Prevent lead poisoning in young children Get help to find lead sources in your home and fix them. Fix Lead SF Departments Environmental Health Department of Public Health