June 2

Hoomaluhia Botanical Garden, 10-11:30 a.m., $5. Learn the history of tropical flowers and how you can make an arrangement from flowers in your own garden. Pre-registration required. (522-7066)

Mililani High School, 3-9 p.m., free. Enjoy food, fun and activities for children of all ages. (summerbash-mhs.weebly.com, 307-4323)

Kaiser Permanente Moanalua Medical Center, 11:30 a.m.-3:30 p.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Oahu Veterans Center, 11 a.m.-3 p.m., free. Donate blood and save lives. Pre-registration recommended. (848-4770, bbh.org)

Waimanalo Library, 10 a.m.-4 p.m. June 2, 10 a.m.-2 p.m. June 3, free. Proceeds benefit the library and its programs. (259-2610)

POW! WOW! Harbor, June 2 and 3, 5 p.m., $230-$65. Electric Palms Music Festival features Kaskade and Seven Lions on Friday, and RL Grime, Getter and TOKiMONSTA on Saturday. (bampproject.com)

Iolani Palace, noon, free. (922-5331)

Ala Moana Center, Centerstage, 5 p.m., free. (alamoanacenter.com)

The Kahala Hotel & Resort, 6-9 p.m., $175. Hawaii Food & Wine Festival kicks off with food from 10 of the state’s best chefs and a fireworks finale. (hfwf.me)

Diamond Head Theatre, May 19-June 11, Fridays-Saturdays at 7:30 p.m., Sundays at 4 p.m., $35-$23. A musical comedy built around the songs of Elvis Presley. (diamondheadtheatre.com)

Kahuku Medical Center, main lobby, 5-8 p.m., free. Matthew Kaopio, a long-term care patient at the hospital, shows his art painted without the use of his limbs. The art will be on display through June 9. (293-9221)

Sheraton Waikiki, 6-8 p.m., $45. Paint a fiery sunset portrait with a free glass of wine or soda. (wineandcanvas.com)