NATURE & OUTDOORS

Boerner Botanical Gardens: Milwaukee Bonsai Society meeting and program by bonsai artist Peter Tea, 6:45 p.m. April 5, 9400 Boerner Drive, Hales Corners, (414) 299-9229.

Burlington Garden Center: Great Heirloom Plants for the Midwest, 10 a.m. April 2, reservation requested, 5205 Mormon Road, Burlington, Free, (262) 763-2153. Charles Z. Horwitz Planetarium: “Honey, I Shrunk the Solar System,” 11 a.m. April 2, “The First Stargazers,” 1 p.m. April 2, Retzer Nature Center, S14-W28167 Madison St., Waukesha, $4, (262) 896-8423. Havenwoods State Forest: “Snipe Hunt!” Family Nature Hike, 6:30 p.m. April 2, Hiking trails open, 6 a.m.-8 p.m. daily, 6141 N. Hopkins St., (414) 5270232. Ice Age Visitor Center: April Showers Nature Storytime, 9:30 a.m. April 1, Kettle Moraine State Forest Northern Unit, off Highway 67, half-mile west of Dundee, (920) 533-8322. Pringle Nature Center: “Forest Frolic” Come and Explore activities, 10 a.m.-3 p.m. April 1, Nature Story Time Hike, 10 a.m. April 2, 9800 160th Ave., Bristol, (262) 857-8008. Schlitz Audubon Nature Center: Raptor Saturday, 1 p.m. April 2, 1111 E. Brown Deer Road, Bayside, (414) 352-2880. UWM Manfred Olson Planetarium: “A Night Under the Caribbean Sky,” 7 p.m. April 1, AstroBreak “CERN and the Large Hadron Collider,” 12:15 p.m. April 6, Stargazing, 9 p.m. April 6, Physics Building, 1900 E. Kenwood Blvd., (414) 229-4961; uwm.edu/

planetarium.

Urban Ecology CenterMenomonee Valley: “Cache In, Trash Out!” cleanup event, 10 a.m. April 2, 3700 W. Pierce St., (414) 431-2940. Urban Ecology CenterRiverside Park: Maple Sugaring, 10 a.m.-noon April 2, Early Morning Bird Walk, 8 a.m. April 7, 1500 E. Park Place, (414) 9648505. West Bend City Hall: Roots and Branches presents “Perennials, Roses and Other Flowers for 2016” with Steve Stenberg, 7 p.m. April 6, registration required, 1115 S. Main St., West Bend, free, (262) 335-5083.