SPECIAL EVENTS

19th annual Open House and Unthirsty Plant Sale, workshops, gardening classes, tours of the demonstration garden and drought-tolerant and native Hawaiian plants for sale; 9 a.m.-3 p.m.; Aug. 4; Halawa Xeriscape Garden; Halawa Valley's Central Park industrial area; free admission; 748-5041.

Plant Propagation 101: Air Layering, learn how to reproduce hibiscus, fruit trees and ornamentals through air layering; 10-11:30 a.m.; Aug. 5; Waimea Valley Audubon Center; $6 plus plus $8 general and $5 kama'aina; registration required: 638-9199.

Termite Information Seminar, Julian Yates III discusses these wood-eating insects and how to prevent and control them; 6:30-8:30 p.m.; Aug. 8; Windward Community College; free. 235-7433.

An Orchid Feast, 55th annual Hilo Orchid Society Show and Sale, with exhibits, workshops, demonstrations, sale of orchids and other plants plus pots, vases, jewelry, clothing and art prints; 9 a.m.-9 p.m.; Aug. 10; Edith Kanaka'ole Multi-Purpose Stadium; Hilo; continues 9 a.m.-5 p.m.; Aug. 11 and 10 a.m.-2 p.m.; Aug. 12; $4 general, $2 children under 12; 808-933-9772.

ONGOING EVENTS

Garden Guided Tour, tour highlighting Native Hawaiian medicinal plants; 1 p.m. Fridays; and focusing on canoe plants (plants brought to the Islands during Polynesian migration); 1 p.m. Wednesdays; Amy Greenwell Ethnobotanical Garden, Kona, Big Island. $4 suggested donation; 808-323-3318.

Self-Guided Garden Walking Tour, view more than 50 native Hawaiian and tropical plants and flowers surrounding the hotel, tour pamphlet available at the concierge desk; daily; Royal Hawaiian hotel; Waikiki; free; 923-7311.

"Niaulani Nature Walk," guided tour through an old-growth Hawaiian 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; 10-11:30 a.m. Mondays-Fridays; Lyon Arboretum, Manoa Valley; free; reservations: 988-0461.

Garden Tours, one-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. Sunday); Senator Fong's Plantation and Gardens; 47-285 Pulama Road; Kane'ohe; $14.50, kama'aina discounts available; 239-6775.

Guided Tours; 1 p.m. Mondays-Saturdays; Foster Botanical Garden; included with admission of $5 general, $3 kama'aina, $1 ages 6-12; 522-7066.

Manoa Heritage Center Tours, visit a cultural and historical site in Manoa Valley with guided tours of the native Hawaiian plant garden surrounding a traditional heiau (sacred site); 9 a.m.-4 p.m.; Tuesdays-Saturdays; Manoa Heritage Center; $7 adults, $4 children and students; guided tour reservations: 988-1287.

Furniture Workshop Tours, learn about the history and craft of Hawaiian furniture; 9 a.m.-12 p.m.; Wednesdays; Martin & MacArthur Workshop and Showroom; 1815 Kahai St.; free; reservations: 845-6688.

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