Atlanta's signature festival takes place in Piedmont Park this weekend, but you'll also find outdoor celebrations of spring in Hapeville and Acworth.

You'll find our annual guide to spring festivals here.

Atlanta Dogwood Festival. April 10-12. Free. Backyard Barbecue & Brews: $25-$35. Piedmont Park, 1320 Monroe Drive N.E., Atlanta. dogwood.org. Take a look at our gallery of photos from Dogwood Festivals past, from 1965-1994.

Festival on Ponce. Artist market, music, food, children's area. April 11-12. Free. Olmstead Linear Park, 1451 Ponce De Leon Ave. N.E., Atlanta. festivalonponce.com.

Atlanta Blooms. 300,000 bulbs explode with glorious hues of pink, yellow, purple and red. That's 44,000 more bulbs than last year. Peak times vary and are expected to last through April. atlantabg.org.

Caboose Days. 10 a.m. April 11-12. Included with museum admission ($5-$8). Southeastern Railway Museum, 3595 Peachtree Road, Duluth. 770-476-2013, www.srmduluth.org.

Acworth Art Fest. April 11-12. Acworth Arts Festival, Acworth. acworthartfest.splashfestivals.com.