Union Street Spring Celebration and Easter Parade, Union between Gough and Fillmore, SF. (800) 310-6563, April 8, 10am-5pm, parade at 2pm, free. www.sresproductions.com/union_street_easter. A family festival with kids rides and games, a petting zoo, and music.
45th Annual Northern California Cherry Blossom Festival, Japan Center, Post and Buchanan, SF. (415) 567-4573, www.sfjapantown.org. April 14-15 and 21-22, parade April 22, free. Spotlighting the rich heritage and traditional customs of California's Japanese-Americans. Costumed performers, taiko drums, martial arts, and koto music bring the East out West.
Bay One Acts Festival, Boxcar Theatre, 505 Natoma, SF. www.bayoneacts.org. April 22 — May 12, 2012, $25–$45 at the door or online. Showcasing the best of SF indie theater, with new works by Bay Area playwrights.
Earth Day, Civic Center Plaza, SF. (415) 571-9895, www.earthdaysf.org. April 22, free. A landmark day for the "Greenest City in North America," featuring an eco-village, organic chef demos, a holistic health zone, and live music.
Wedding and Celebration Show, Parc 55 Wyndham, 55 Cyril Magnin, SF. (925) 594-2969, www.bayareaweddingfairs.com. April 28, 10:00am-5:00pm. Exhibitors in a "Boutique Mall" display every style of product and service a bride may need to help plan his or her wedding.
San Francisco International Beer Festival, Fort Mason Center, Festival Pavilion, SF. www.sfbeerfest.com. April 28, 7pm-10pm, $65. The price of admission gets you a bottomless taster mug for hundreds of craft beers, which you can pair with a side of food from local restaurants.
Pacific Coast Dream Machines Show, Half Moon Bay Airport, 9850 Cabrillo Highway North, Half Moon Bay. www.miramarevents.com/dreammachines. April 28-29, 9am-4pm, $20 for adults, kids under 10 free. The annual celebration of mechanical ingenuity, an outdoor museum featuring 2,000 driving, flying and working machines from the past 200 years.
San Francisco International Arts Festival Various venues. (415) 399-9554, www.sfiaf.org. May 2-20, prices vary. Celebrate the arts, both local and international, at this multimedia extravaganza.
Cinco de Mayo Festival, Dolores Park, Dolores and 19th St, SF. www.sfcincodemayo.com. May 5, 10am-6pm, free. Enjoy live performances by San Francisco Bay Area artists, including mariachis, dancers, salsa ensembles, food and crafts booths. Big party.
A La Carte and Art, Castro St. between Church and Evelyn, Mountain View. May 5-6, 10am-6pm, free. With vendors selling handmade crafts, micro-brewed beers, fresh foods, a farmers market, and even a fun zone for kids, there's little you won't find at this all-in-one fun fair.
Young at Art Festival, De Young Museum, 50 Hagiwara Tea Garden Drive, SF. (415) 695-2441. www.youngatartsf.com. May 12-20, regular museum hours, $11. An eight-day celebration of student creativity in visual, literary, media, and performing arts.