LAKE HAVASU CITY – The Lake Havasu Home & Garden Expo will be held Saturday and Sunday, Sept. 22 and 23 from 9 a.m. to 5 p.m. each day at the Lake Havasu Aquatic Center, 100 Park Ave. Admission and parking are free. There will be live cooking demonstrations, a free tree giveaway for Unisource customers (while supplies last), and free prizes throughout each day.