SPECIAL

EXPANDED HALAWA XERISCAPE GARDEN HOURS, 9 a.m.-3 p.m., beginning Nov. 1, 99-1268 Iwaena St. (with free garden tours, and landscaping and conservation workshops for adults and keiki on Saturdays; free garden mulch; and free weekday tours by appointment); 748-5041; www.boardofwatersupply.com.

SCENIC HAWAII ARBOR DAY TREE-PLANTING CEREMONY, 9 a.m. Nov. 15, Kapi'olani Park, Kalakaua Avenue side, across from Outrigger Canoe Club; 478-4888.

"GOING GREEN," theme of Leeward Community College Family Fun Fair, with a fundraising "Shade House" and native botanical collection sales, 9 a.m.-3 p.m. Nov. 15, Pearl City Campus; 455-0011..

HOLIDAY DOOR SWAG WORKSHOP, using wili lei-making technique to make holiday greens swag, 9:30-11:30 a.m. Nov. 15, Ho'omaluhia Botanical Garden; $10, supplies provided (extras appreciated); 522-7064.

BIG ISLAND HAWAIIAN FOLIAGE WREATH-MAKING WORKSHOP, 10 a.m.-4 p.m. Nov. 15, with Big Island artist, Katie DeMent, 10 a.m.-4 p.m. Nov. 15, UH-Hilo, Manono campus, Building 381, Room 16; $65; $10 materials fee (Osher discount available)(bring garden clippers and gloves); 808-974-7664.

"MEDICINAL PLANTS TOUR" of Foster Botanical Garden, led by Wayne Wong, 1 p.m. Nov. 15; free with park admission, $3-$5; register, 522-7066.

"GARDEN GREEN HOUR," outdoor green activities for families, organized as a respite from television, computers and daily life, 2:30-3:30 p.m. Wednesdays, through Dec. 10, Wahiawa Botanical Garden; free; 621-5463.

BOTANICAL DRAWING AND PAINTING, self-directed rendering of plants, flowers, seeds and pods, 12:30-2 p.m. Wednesdays, through Dec. 10; Wahiawa Botanical Garden; free; 621-5463. (Bring No. 4 round brush, Bristol paper, watercolor set or pencils; some experience helpful.)

23rd ANNUAL CITY HOLIDAY WREATH CONTEST entries sought for Honolulu City Lights show Dec. 6-Jan. 4, Honolulu Hale; prizes awarded for entries in three categories: adult (18 and older), youth (17 and younger), and along the theme, "Holiday Heroes"; entries (with required entry form, available at www.honolulu.gov/moca) accepted 10 a.m.-5 p.m. Dec. 1, Honolulu Hale, Lane Gallery; 768-6622.

ONGOING

FREE GARDEN MULCH, available 9 a.m.-3 p.m. Saturdays, Halawa Xeriscape Garden, 99-1269 Iwaena St.; self-service, bring containers and shovel; 748-5041, www.boardofwatersupply.com.

GARDEN TOUR, 1-mile (1.5-hour) "easy" guided walk to view the Kane'ohe garden's flowers, plants and trees; 10:30 a.m. and 1 p.m. daily (keiki-focused tour, 1 p.m. Sundays); Senator Fong's Plantation and Gardens; $14.50, discounts for kama'aina; 239-6775.

NIAULANI NATURE WALK, guided tour through an old-growth forest; 9:30 a.m. Mondays; Volcano Art Center's Niaulani Campus, Volcano Village, Big Island; donations accepted; 808-967-8222, www.volcanoartcenter.org.

GUIDED TOURS, view plants of the rainforest; 10 a.m. Mondays-Saturdays; Lyon Arboretum, Manoa Valley; $5; reservations: 988-0461.

LYON ARBORETUM WORK DAY, weeding and garden maintenance with arboretum grounds crew, first Saturday monthly; times/information: 988-0455.

MANOA HERITAGE CENTER, discover an ancient Hawaiian heiau and native Hawaiian plants while learning Manoa Valley's history; 9 a.m.-4 p.m. Tuesdays-Saturdays; Manoa Heritage Center; $7 general, $4 seniors and military, students free; visits and tours by reservation only: 988-1287, www.manoaheritagecenter.org.

SELF-DIRECTED DRAWING AND PAINTING, rendering of plants, flowers and seed pods from the garden; 9-10 a.m. Wednesdays; Wahiawa Botanical Garden; reservations: 621-5463.

Send announcements, with contact name and phone number, to: Island Life, The Advertiser, P.O. Box 3110, Honolulu, HI 96802; or islandlife@honoluluadvertiser.com, with "Home & Garden Cal" in the subject line.