 The free Home and Garden Expo of Oklahoma returns to Expo Square July 19th through the 21st with hundreds of ideas to upgrade your home inside and out, lots of how-tos, and a chance to unlock the prize vault to win $16,000. The free Home and Garden Expo of Oklahoma July 19th through the 21st at Expo Square. Brought to you with the support of Burnett Home Improvement with Generator Supercenter of Tulsa, Rickert Landscaping and Tree Service, Native Roofing and Construction, and Fox 23. Learn more at krmg.com.