A FREE day, to Denver Botanic Gardens, is being offered once a month to Colorado residents. Free Days occur during regular gardens hours only, and do not include ticketed events. At the downtown location, don’t miss the new Children’s Garden. It’s amazing. Here’s the schedule: Free Days at Denver Botanic Gardens (York Street location): Tuesday, July 19; Monday, Aug. 29; Monday, Sept. 26; and Monday, Oct. 10. Free Days at Denver Botanic Gardens at Chatfield: Friday, July 1; Friday, Aug. 5; and Friday, Nov 5. For more information, call 720 865-3500.