Fairy Gardens & Folklore. April 24.
Make Your Own Worm Bin. May 10.
Mitchell Park Horticultural Conservatory: Seasons of Legend Spring Floral Show, April 3, (through May 31). Hours: 9 a.m. to 5 p.m. Wednesday-Friday; 9 a.m. to 4 p.m. Saturday-Sunday. Timed entry reservation required. General admission: $8; $6 for children ages 6 to 17, students and people with disabilities; free for children age 5 and younger. Milwaukee County residents receive $1 off entry, and resident seniors (60+) get $3 off entry. ID Required. 524 S. Layton Blvd. (414) 257-5600;
Adult Education: Wild Gardening, April 13.
Monarch Trail: Milkweed Plant Sale, May 16. Event is held at Milwaukee County Parks Department headquarters building, 9480 W. Watertown Plank Road, Wauwatosa.