Cincinnati Parks Visit A Park Parks Events Calendar Krohn Early Closure May Krohn Early Closure May Dates: May 17, 2025 - May 24, 2025 Time: 10:00 AM - 4:00 PM Occurs: Weekly (Sat) Park: Krohn Conservatory Activity Categories: None Krohn Early Closure May 17 and 24 | Opening hours: 10am-4pm