Weed and Seed programs around the country bring government agencies, law enforcement officers, and private organizations to fight crime within specific regions. The National Evaluation of Weed and Seed Cross-Site Analysis presents a broad scope of research findings from Weed and Seed programs in eight U.S. target areas. Examined in the report are the challenges of public and private collaboration, strengths and weaknesses of program design and outcome, and funding issues encountered by each site. Community reaction is also discussed in this NIJ Research Report.