SPECIAL

SPRING PLANT SALE, offering indoor, desk and outdoor plants including rare and unusual plants, native Hawaiian plants and ferns, hapu'u, terrariums, lotus, air plants, orchids, heliconia, gingers, drought and filter-light plants, ti and anthurium, plus worms, worm bins and vermicast; 9 a.m.-2 p.m. May 29; Foster Botanical Garden; sale and garden tours, free; 537-1708.

SPRING VINTAGE SALE, including mini-herb gardens made from 1930s and '40s enameled pots, tubs and tea kettles (including peppermint, chives, parsley, thyme, sweet marjoram, basil, mint and violets; as well as vintage items, including collectibles, water lilies and plants, clothes made from viintage lace, tablecloths and hankies; garden antiques, jewelry, kitchenware, handbags and more, 5-8:30 p.m. May 28, and 9 a.m.-2 p.m. May 29, Wai'oli Tea Room; free; information, Darren, 226-3526.

UPCOMING

"BUILDING YOUR HOME FOR LIFE," one of a series of free seminars on the new home construction process, by homebuilder Graham Builders, covering residential design, budget, financing, scheduling and builder selection, 9-11 a.m. May 22, Honolulu Country Club; free, open to the public; reservations, 593-2808, www.grahambuilders.com.

'AIEA RIDGE HIKE, presented by Friends of Honolulu Botanical Gardens, with opportunity to view different species of 'ōhi'a, lehua, koa, 'iliahi, and other native trees, 8 a.m.-1 p.m. May 22, from top of 'Aiea State Park; $5 ($10, non-FHBG members); information, 537-1708, www.friendsofhonolulubotanicalgardens.com.

"FASCINATING FICUS," hike through Lyon Arboretum, and presentation on "wanton wasps, lurid pollination strategies, ravenous rock-eating trees, and the good ficus and bad ficus," 9:30 a.m.-11:30 a.m. May 22, Lyon Arboretum; $20; registration, 988-0461.

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.

ONGOING

SECOND SATURDAY AT THE GARDEN, a 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 Saturdays monthly; Pearl City Urban Garden Center; free; www.ctahr.hawaii.edu/ougc, 453-6055.

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 visitor 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.

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.; 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; information: 988-0456.