Home| May 18 Sunday, Apr 20 > Organization: Cactus ClubLocation: 2496 S Wentworth AveMilwaukee, WI, 53207United StatesSee map: Google MapsPhone: (414) 897-0663 Cactus Club Seed Swap + Park Clean-upThe event has already taken place on this date: 04/20/2025Time: 11 am Organization: Retzer Nature Center - Waukesha County Parks, WILocation: S14W28167 Madison StWaukesha, WI, 53188United StatesSee map: Google MapsPhone:(262) 896-8007 Story Hike at the Retzer Nature CenterThe event has already taken place on this date: 04/30/2025Time: Trail Open from Sunrise - 10 pm