Mapleton Hill PorchFest — Mapleton Hill PorchFest is a neighborhood walkabout where local musicians play and sing mostly unplugged music. Musicians from throughout the region come together to perform during two sets. There are 28 bands scheduled — the largest roster ever. Among them are the well-known, much-loved groups Mayhem Gulch and Sunshine Canyon String Band; 1 p.m. Sunday, Sept. 22, Mapleton Hill neighborhood, Mapleton Ave., Boulder; free; 352-359-5060.
Cultivating Mushrooms on Straw — Cultivating mushrooms on straw is fast, efficient, and well-suited to home cultivation. This hands-on workshop will cover step-by-step how to successfully grow mushrooms on straw. Each participant receives one straw block producing oyster mushrooms under proper care; 9 a.m. Sunday, Sept. 22, RSVP to firstname.lastname@example.org for location, Boulder; $25.
Making the Ultimate Cup of Camp Coffee — Join REI and Ampersand Coffee gurus and learn about backcountry brewing techniques, equipment options, coffee selection and storage and all the extras needed to make delicious coffee at a campsite; 9:30 a.m. Sunday, Sept. 22, Rayback Collective, 2775 Valmont Road, Boulder; free; 303-583-9970.
Doggie Dash 2019 — Sign up today for the 30th annual Doggie Dash. HSBV’s 2-mile fun run and walk fundraiser to help pets and people in need; 10 a.m. Sunday, Sept. 22, Boulder Reservoir, 5565 51st St., Boulder; $0-$25; 303-442-4030 x637.
6th Annual “Celebrating Bird Migration” Festival — Explore the wonderful world of birds. See a live Golden Eagle and other birds of prey up close and in their natural surrounding through spotting scopes and binoculars. Learn about migration and marsh habitat. Free event suitable for all ages; 1 p.m. Sunday, Sept. 22, Waneka Lake Park, 1600 Caria Drive, Lafayette; free.
Blackbelly Dinner — Celebrate the seasons as summer turns to fall and enjoy an intimate evening of dining at Milk and Honey Farm. Chef Hosea Rosenberg of Blackbelly Market will delight with a five-course meal highlighting our farm produce. Dinner will be served on the farm, with beautiful views of the Front Range. Dinner proceeds directly benefit the farm; 5 p.m. Sunday, Sept. 22, Boulder JCC, 6007 Oreg Ave., Boulder; $50-$120; 303-998-1900.