Chappell Roan Liquid Sky show: 8:30 p.m., Fiske Planetarium, 2414 Regent Drive, Boulder. The music of Chappell Roan enters the dome with its vivid melodies and beats accompanied by beautiful liquid sky visuals. Catch songs like “Goodluck Babe!”, “Femininomenon” and “HOT TO GO!” Fiske’s mind-melting Liquid Sky is a musical, all-you-can-eat eye candy buffet. $8-$12, 303-492-1411, calendar.colorado.edu.

Great Decisions: 2 p.m., NoBo Corner Library, 4600 Broadway, Boulder. Read and discuss foreign policy and current events with fellow peers. Read a well-researched article before the program, then watch a short presentation on the topic before the discussion. Articles and videos are presented by the Foreign Policy Association. This month’s topic is U.S.-China Relations. Registration required. calendar.boulderlibrary.org.

Pizza Party Thursdays: 4:30 p.m., Boulder Public Library, 1001 Arapahoe Ave., Boulder. Come hang out with friends or make some new ones in the Teen Space while enjoying pizza. Play video games, make arts and crafts or just hang out. Pizza Party Thursdays are every second Thursday of the month. For grades 6-12. calendar.boulderlibrary.org.

How to Create a Habitat Garden program: 5:30 p.m., Boulder Public Library, 1001 Arapahoe Ave., Boulder. In this program, participants will learn how to create a habitat garden that supports local wildlife. Explore the benefits of native plants, sustainable gardening practices and how to design an outdoor space to foster a thriving ecosystem. Ideal for gardeners of all levels. calendar.boulderlibrary.org.

Story time and field trip to Primos Park: 10:15 a.m. Friday, NoBo Corner Library, 4600 Broadway, Boulder. Enjoy a water themed story time at NoBo followed by a field trip to Primos Park. Pack a snack and some sunscreen for some outdoor playtime with Growing Up Boulder. Free pizza will be provided by the City of Boulder Parks and Recreation. calendar.boulderlibrary.org.

BVSD plant sale: 3 p.m. Friday, BVSD Greenhouse, 6500 Arapahoe Road, Boulder. Come support the annual BVSD Plant Sale, and find garden staples, including flowers, herbs and veggies. All plants are pollinator friendly and organically grown with help from BVSD staff, students and community members. 100% of plant sale proceeds support nutrition education and farm-to-school programming for BVSD’s 31,000 students. Free, food.bvsd.org.

Tonal Triage concert: 6:30 p.m. Friday, Full Cycle Café & Bar, 2355 30th St., Boulder. Tonal Triage’s all-star line-up includes saxophonist Jeff Nathanson, vocalist Hazel Miller, Bijoux Barbosa on bass, Victor Mestas on keys and Alejandro Castaño on drums. $20-$25, fullcyclecafebar.eventcalendarapp.com.

Fossils and Flowers hike: 10 a.m. Saturday, Six-Mile Fold, Neva Access Road, Boulder. Join volunteer naturalists for a short, moderately strenuous hike to explore a landscape created by folding and faulting, and see evidence of the seas that once inundated this area. Learn about the endemic plant species that rely on the unique soils found in this area. Free, boco.org.

East Boulder mural tour by bike: 10 a.m. Saturday, Street Wise Arts HQ, 2510 47th St., Unit G, Boulder. Explore the street art of East Boulder with Street Wise Arts. Riders will see the murals created by local and national artists during the annual mural festival. Learn more about Street Wise, street art culture and the various social justice causes championed by Street Wise artists. $10-$25, streetwisearts.org.

Mother’s Day peony pop-up: 10 a.m. Saturday, Moss Houseplants, 3008 Folsom St., Boulder. Celebrate mom with farm-fresh peonies. Choose flowers, available for purchase, and let an expert florist craft a custom bouquet that’s as beautiful as mom. Whether celebrating your mom, mother figure or yourself, a fresh bouquet is the perfect way to show love and appreciation. 970-231-1055, mosshouseplants.com.

Sewing applique and illustration on a tea towel class: 11 a.m. Saturday, Meadows Branch Library, 4800 Baseline Road, Boulder. Learn to machine-sew a drawing or motif onto a tea towel and embellish with small appliqué. Get creative, and add some whimsy and color to the kitchen. Feel free to bring a simple sketch or use the designs provided. All materials will be supplied, and all levels of sewists are welcome. For ages 55 and older. Registration required. calendar.boulderlibrary.org.

Bonnie Lowdermilk Quartet concert: 6:30 p.m. Saturday, Full Cycle Cafe & Bar, 2355 30th St. Boulder. This show will be a reunion performance with the musicians that played on her second album. The group features Greg Gisbert on trumpet, Mark Simon on bass, Jill Fredericksen on drums and Bonnie Lowdermilk on piano, vocals and as band leader. $20-$25, fullcyclecafebar.eventcalendarapp.com.

Editor’s note: Availability and scheduling of events may be subject to change.