A lineup of entertainment options for the weekend of March 16-18, 2012. On the list: Irish Festival, Earth Smart Green Fair and Urban Gardening Super Saturday. Films opening Friday include "Casa de mi Padre," "21 Jump Street" and "Being Flynn."

Around town

Irish Festival: St. Patrick’s Day Parade, 12:30 p.m. Saturday, along Fourth Avenue from Jefferson Street to Westlake Center, Seattle; festival with Irish and Celtic vendors, Irish music and dance performances, workshops, lectures, cultural displays, children’s activities, Irish Reels Film Festival, 10 a.m.-6 p.m. Saturday, noon-6 p.m. Sunday, Seattle Center Exhibition Hall, 299 Mercer St., Seattle (www.irishclub.org).

Earth Smart Green Fair: Exhibits, workshops, vegetable seeds and other giveaways, household batteries recycling, 10 a.m.-2 p.m. Saturday, Third Place Commons, 17171 Bothell Way N.E., Lake Forest Park (www.cityoflfp.com).

Urban Gardening Super Saturday: Activities for all ages including seed starting, garden arts and crafts, gardening ideas, urban chickens, 10 a.m.-3 p.m. Saturday, Seward Park Audubon Center, 5902 Lake Washington Boulevard S., Seattle; free (206-652-2444 or sewardpark.audubon.org).

At the movies

“21 Jump Street”: Channing Tatum and Jonah Hill star in this comic update of the TV series about police rookies infiltrating a high-school drug ring. It has previews Thursday night, and opens Friday at several theaters.

“Being Flynn”: Writer-director Paul Weitz’s father-son drama stars Robert De Niro and Paul Dano. It opens Friday at the Meridian 16 and Lincoln Square Cinemas.

“Jeff, Who Lives at Home”: Jason Segel, Ed Helms, Susan Sarandon, Judy Greer and Rae Dawn Chong star in this indie comedy about a man who lives in his mother’s basement. From writers/directors Jay and Mark Duplass (“Baghead”). It opens Friday at several theaters.

“Casa di mi Padre”: Will Ferrell stars in this spoof of Spanish-language telenovelas. It also has previews Thursday night, and opens Friday at several theaters.

“Adventures in Plymptoons”: A documentary about Oregon’s Oscar-nominated animator, Bill Plympton. Directed by Alexia Anastasio. It opens Friday at the Northwest Film Forum.

“Carol Channing: Larger Than Life”: “Hello, Dolly!” It’s another documentary. This one is from director Dori Berinstein and concerns the Broadway legend and icon. It opens at the SIFF Cinema at the Film Center on Friday.

For reviews and showtimes, go to seattletimes.com/moviesor to Friday’s Weekend Plus section.

For more fun this weekend, see Friday’s Weekend Plus.

For advance planning, see Sunday’s NW Traveler.