We have changed how we collect and accept calendar information. Readers must now submit all items through our website. Go to events.contracostatimes.com. At the top, click on "+add to our listings." On the next page, click on "Create Your Event." This is the Account Log In page. Click on "If you do not have a Contra Costa Times account, you can register now." If you need more help, email: partner-support@zvents.com.

Autumn Lights Festival. The Gardens at Lake Merritt is illuminated with electric and fire art by Bay Area artists, featuring a space forest, fire-spewing flowers, floating water sculptures, paintings by living insects, illuminated squid, electric fireflies, glowing waterfalls, and more. Illuminated garden attire encouraged. 6 to 10 p.m. Oct. 18. The Gardens at Lake Merritt, 666 Bellevue Ave., Oakland. $35. 510-548-5335, gardensatlakemerritt.org.

Toddler Storytime. Songs, active rhymes and stories, especially for ages 18 months to 3 years. Followed by playtime. 11 a.m. Saturdays. African American Museum and Library, 659 14th St., Oakland. 510-615-5812, www.oaklandlibrary.org.

Breaking the Cycle of Teen Dating Violence. A Safe Place 12th Annual Walk & Shop event designed to promote awareness and prevention of domestic and teen dating violence, with local venders and artists, and more. 8 a.m. to 3 p.m. Oct. 19. Lake Merritt Band Stand, 666 Bellevue Ave., Oakland. $10 adults. $5 children. 510-986-8600, asafeplace2013.eventbrite.com.

St. Cuthbert's Caribbean Fest. A day of family fun featuring an island vibe including live steelpan/steeldrum music, authentic caribbean food vendors, free raffle prizes, a kid's fun zone and more. 11 a.m. to 5 p.m. Oct. 19. St. Cuthbert's Episcopal Church, 7932 Mountain Blvd., Oakland. Free. 510-635-4949, facebook.com/StCuthbertsEpiscopalChurch.

Uptown Block Party. A Taste of Oakland Uptown Block Party featuring a sampling of Uptown's restaurants, bars and retail spaces, including Era Art Bar, Ozumo Oakland, Somar Bar, Bench and Bar, Kitchener, Legionnaire Saloon, Hutch, Camber, Vo's Restaurant and Plum, Make Westing, Mockingbird, Hawker Fare, Pican and more. Partial proceeds benefit Youth Radio and Oakland School for the Arts. 5 to 8 p.m. Oct. 19. Oakland's Uptown Business District, 2251 Broadway and environs, Oakland. $20. 510-593-5408, www.atasteofoakland.com.

Lakeshore Free Plant Exchange. Gardeners from all over the Bay Area can swap plants, tools, pots, decorative items, books, stepping stones and more. Designed to encourage neighborhood gardening and build community. Noon to 4 p.m. Oct. 19. Lakeshore Plant Exchange, 3811 Lakeshore Ave., Oakland. Free. 510-866-8482, www.theplantexchange.com.

Native Plant Sale and Open House. Purchase native plants from the Friends of Sausal Creek, find out from experts what plants are best for your specific planting areas, catch a presentation by Doc Hale on the Natural and Cultural History of the East Bay, join a workshop by Save the Bay's Doug Serrill on Native Landscaping, and listen to live fiddle music. 10 a.m. to 3 p.m. Oct. 20. Joaquin Miller Park Native Plant Nursery, 3594 Sanborn Dr., Oakland. Free. 510-501-3672, www.sausalcreek.org.

Exhibition Opening: Ann Rosener. Opening reception for exhibit about Ann Rosener (1914-2012), who spent a rich and varied career as a graphic designer, fine press printer, publisher and photographer; and featuring books and ephemera from her Occasional Works press, photographs, and more. 3 to 5 p.m. Oct. 20. Heller Rare Book Room, F. W. Olin Library, Mills College, 5000 MacArthur Blvd., Oakland. Free. 510-430-2047, www.mills.edu.

Lakeshore Halloween Parade and Fall Festival. The fun starts off with the fall festival, featuring free face painting and more, followed by a parade, and trick or treating Lakeshore Avenue businesses to receive treat bags, mini pumpkins and treats from merchants. 10 a.m. to 1:30 p.m. Oct. 26. Lakeshore Ave Baptist Church, 3534 Lakeshore Ave., Oakland. Free. 510-593-3721, LakeshoreOakland.com.

Hacienda Halloween. Celebrate Halloween at the Hacienda for some good scary fun, including ghosts from California's past, treats and autumn vegetables. 5 to 7 p.m. Oct. 31. Antonio Peralta House, 2465 34th Ave., Oakland. Free. 510-532-9142, www.peraltahacienda.org.