EVENTS

"LAUHALA TURTLE"-MAKING CLASS, 9:30 a.m.-2 p.m. Wednesdays, through May 26,, Foster Botanical Gardens; $10 (plus garden admission); reservations: 522-7064.

"THE SECRETS OF PLANT PROPAGATION," including the use of cuttings, divisions, air-layering, and tips on pruning, 9-10 a.m. April 9, Wahiawā Botanical Garden; price/required reservations, 621-5463.

LYON ARBORETUM ANNUAL PLANT SALE, including sale of herbs, exotic fruit trees, roses, orchids, gingers, heliconia, bromeliads, native Hawaiian plants, flowering trees, ti, water lilies, succulents, hibiscus, lānai and landscape plants, and haku lei, jams and jellies and crafts; opportunity to talk to a Plant doctor," and keiki activities, 9 a.m.-2 p.m. April 10, Blaisdell Center Exhibition Hall; $2; information, 988-0456, or www.hawaii.edu/lyonarboretum.

WORM WORKSHOP and tour, sponsored by city Board of Water Supply, on using worms to help make organic waste become garden compost, 10 a.m.-12 p.m. April 10, Hālawa Xericape Garden; $30 (includes a mini-bin, worm starter colony and manual; registration, 945-9676.

ONGOING

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; 808-967-8222, www.volcanoartcenter.org.

TUESDAYS AT KANAHĀ, weekly beach cleanup and plant maintenance, coordinated by Community Pride at Kanahā Beach Park, Maui, 8-10 a.m. Tuesdays, at the park; Valerie Vines Magee, 808-264-1454.

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

HO'OMALUHIA PRESCHOOL NATURE HOUR (for ages 3-5) with stories, songs, crafts and nature hikes (optional picnic lunch); 10:30 a.m., third Tuesday monthly; from visitors center; recommended: walking shoes, insect repellent, rain gear; information, 233-7323

WEED & POT CLUB at Maui Nui Botanical Garden, 8:30-10:30 a.m. Wednesdays, 150 Kanaloa Ave., Kahului, Maui, to do beautification and maintenance work; tools, gloves, drinking water provided; wear shoes; 808-249-2798.

BOTANICAL DRAWING AND PAINTING, rendering of plants, flowers, seeds and pods from the garden; 9:30 a.m.-noon Wednesdays, Ho'omaluhia Botanical Garden, Kāne'ohe; recommended: No. 4 round brush, Bristol paper, watercolor set or pencils; free; reservations, 233-7323.

SECOND SATURDAY AT THE GARDEN, series of events offering a chance to stroll the garden and learn about tropical gardening from certified Hawai'i master gardeners and center volunteers; 9 a.m.-noon, second Saturday monthly; Pearl City Urban Garden Center; free; www.ctahr.hawaii.edu/ougc, 453-6055.

MAKIKI FOREST RESTORATION PROJECT, volunteers needed for Makiki Watershed Awareness Initiative forest restoration, 9 a.m.-2 p.m. fourth Saturday of each month; weed, pick up branches, plant, water and fertilize; wear long pants, long sleeves, shoes or boots, gloves, insect repellent and bring water and lunch; meet at Makiki forestry base yard above new Hawaii Nature Center; 973-9782.

FREE GARDEN MULCH 9 a.m.-3 p.m. Saturdays, Hālawa Xeriscape Garden, 99-1269 Iwaena St.; self-service; www.boardofwatersupply.com, 748-5041.

HO'OMALUHIA FAMILY CATCH AND RELEASE FISHING, 10 a.m.-2 p.m. Saturdays and Sundays, yearlong, Ho'omaluhia Botanical Garden, Kāne'ohe; recommended: walking shoes, insect repellent, rain protection, barbless hooks and fishing gear; free; reservations, 233-7323.

LYON ARBORETUM WORKDAY, weeding and garden maintenance with arboretum grounds crew, first Saturday monthly; times/information: 988-0456.

NIAULANI FOREST WORKDAY, volunteers needed, 9 a.m.-12 p.m., third Sunday of each month; Volcano Art Center, Niaulani campus, Volcano Village, Big Island; 808-967-8222.

WHAT'S BLOOMING/WHAT'S BEARING FRUIT WITH DAVID ORR, walking tour of Waimea Valley with botanical collections specialist David Orr, 2-3 p.m., first and third Sundays; recommended: snack, insect repellent, sunscreen, hat, water and sturdy shoes; free with paid park admission; reservations, 638-7766.

LYON ARBORETUM classes and workshops on invasive plants, organic gardening, traditional Hawaiian crafts, flower arranging, garden photography, field sketching and nature journaling, special children's classes and more, at the arboretum, 3860 Mānoa Road; schedule at www.hawaii.edu/lyonarboretum; register: 988-0461.

LYON ARBORETUM GUIDED TOURS, view plants of the rain forest, and tour the arboretum's Ethnobotany Garden, Spice Hill, native plant collection and waterfall; 10 a.m. Mondays-Saturdays; at the arboretum, Mānoa Valley; $5; reservations, 988-0461.

Send announcements, at least 10 days before event, with contact name and phone number, to: Island Life, Garden Calendar, The Advertiser, 605 Kapiolani Blvd., Honolulu, HI 96813; islandlife@honoluluadvertiser.com, with "Garden Cal" in the subject line; or fax 525-8055.