AMERICAN RHODODENDRON SOCIETY
AMERICAN RHODODENDRON SOCIETY, 631-689-9498, nyrhododendron.org Meets Sept.-May at Planting Fields Arboretum, Oyster Bay; May 21, 2-4 p.m. flower show, Planting Fields, parking fee applies. Dues $40; nonmembers welcome.
BONSAI SOCIETY OF GREATER NEW YORK
BONSAI SOCIETY OF GREATER NEW YORK, 516-263-2717, bsgny.org Meets monthly at the William C. Odol Community Center in H. Garrick Williams Park on Rittler Ave. in Massapequa. Dues $17 students, $40 single, $45 joint membership.
EASTERN SUFFOLK BONSAI SOCIETY
EASTERN SUFFOLK BONSAI SOCIETY, 631-399-7162, facebook.com/easternsuffolkbonsaisociety Meets 7 p.m. second Tue. from March-Dec. at Bellport Community Center, 4 Bell St. Visitors welcome. Dues $40.
FORT NECK GARDEN CLUB
FORT NECK GARDEN CLUB, 516-799-0114. Meets 12:30 p.m. the first Wed. of the month at the Bar Harbour Library, 40 Harbour Lane, Massapequa Park. The club has an annual plant sale and beautifies Massapequa libraries with spring plantings. Dues $20.
HORTICULTURAL ALLIANCE OF THE HAMPTONS
HORTICULTURAL ALLIANCE OF THE HAMPTONS, 631-537-2223, hahgarden.org Organization fosters the art and science of horticulture; monthly lectures (except July-Aug.) at the Bridgehampton Community House, Montauk Highway; discussions, garden tours and trips, horticultural library. Dues $45, $75 family; lectures $10 nonmembers.
LONG ISLAND BONSAI SOCIETY
LONG ISLAND BONSAI SOCIETY, 516-593-1855, longislandbonsai.org Meets 7:30 p.m. second Mon., all year except Oct. when meeting is the third Mon. at Planting Fields Arboretum in Oyster Bay; monthly guest speakers. July 7, noon: Club picnic and auction at Planting Fields. Dec. 8: holiday party and auction at Planting Fields. Dues $45, $60 couples, reduced for students.
LONG ISLAND CACTUS AND SUCCULENT SOCIETY
LONG ISLAND CACTUS AND SUCCULENT SOCIETY, 516-735-4479. Meets 7:30 p.m. third Mon. at Kellenberg Memorial High School, Glenn Curtiss Boulevard, Uniondale (call to confirm); no meetings. July-Aug.; Aug. picnic, monthly raffles. Dues $20.
LONG ISLAND DAHLIA SOCIETY
LONG ISLAND DAHLIA SOCIETY, longislanddahlia.org, 516-578-7699, Meets 6:30 p.m. third Thur. at East Islip Public Library, 381 E. Main St., East Islip, and 9 a.m.-noon every Sat. for instructions at Bayard Cutting Arboretum, dahlia garden, Oakdale; call or visit website for schedule. Dahlia Show Exhibition Aug 31 - Sept. 1. Photo Show, Oct. 5-6. Largest display of dahlias in New York, Bayard Cutting Arboretum, June-Sept. Dues $20.
LONG ISLAND DAYLILY SOCIETY
LONG ISLAND DAYLILY SOCIETY, longislanddaylily.weebly.com, Meets Call or check website; meetings at Planting Fields Arboretum, Oyster Bay; May 21, 7 p.m. Daylily Flower Auction at Planting Fields, open to the public. Dues $35 ($10 local, $25 national dues).
LONG ISLAND HORTICULTURAL SOCIETY
LONG ISLAND HORTICULTURAL SOCIETY, 631-694-7745, lihort.org Meets Check website for meeting schedule and speakers at Planting Fields Arboretum State Historic Park in Oyster Bay. Educational society devoted to helping gardeners learn about plants, garden design, techniques and tools. Activities include touring private gardens near and far. Dues $35 per family.
LONG ISLAND ORCHID SOCIETY
LONG ISLAND ORCHID SOCIETY, 516-826-1267, Meets 7:30 p.m. second Thur. of every month, Knights of Columbus, 45 Heitz Place, Hicksville. Dues $20. longislandgesneriads.org
LONG ISLAND ROSE SOCIETY
LONG ISLAND ROSE SOCIETY, longislandroses.org, 516-872-2332 Meets 7 p.m. second Fri. March-Dec. at the Plainview-Old Bethpage Library, 999 Old Country Rd., Plainview; no meetings Jan. and Feb., call to verify. June 9, 1-4:30 p.m. annual show, Planting Fields Arboretum, Oyster Bay. Dues $25.
MERRICK GARDEN CLUB
MERRICK GARDEN CLUB, 516-761-1992. Meets 12:15 p.m. the third Mon. of the month (except Aug. and Dec.) at St. John Lutheran Church, 2150 Centre Ave., Bellmore. Dues $40.
THE LONG ISLAND MASTER GARDENERS
THE LONG ISLAND MASTER GARDENERS, 631-724-6829, limastergardener.com Meets Coffee and goodies at 8:45 a.m., guest speakers at 9:30 a.m. third Wed. of month at the Brookhaven Ecology Site, 249 Buckley Rd., Holtsville. Dedicated to uniting gardeners, disseminating information and beautifying communities. Dues $25.
LONG ISLAND CHRYSANTHEMUM SOCIETY
LONG ISLAND CHRYSANTHEMUMSOCIETY, 516-826-1267, longislandmums.org Call for monthly meeting dates and location. Annual show in Oct. at Hicks Nurseries. Dues $30.
MID ISLAND DAHLIA SOCIETY
MID ISLAND DAHLIA SOCIETY, midislanddahlia.org, 516-650-0595 Meets 7:30 p.m. first Mon. Feb.-Dec., presentation and meeting at Winthrop Hall, Church of the Advent, 555 Advent St., Westbury; Annual show Sept. 14-15 at Planting Fields Arboretum, Oyster Bay; sale of dahlia plants and tubers at May and June meetings. Dues $15 per family.
THE LONG ISLAND GESNERIAD SOCIETY
THE LONG ISLAND GESNERIAD SOCIETY, 631-549-6788, longislandgesneriads.org Meets Noon second Sat., Sept.-June at the south lounge of Hay Barn at Planting Fields Arboretum. Flower show in May. Dues Check website.
SWEET WATER AFRICAN VIOLET SOCIETY
SWEETWATER AFRICAN VIOLET SOCIETY, 631-589-2724, avsa.org Meets 7:30 p.m. first Wed., Sept.-Nov. and Jan.-May at West Sayville Fire Department, Montauk Highway and Atlantic Avenue. Dues $10.
SUFFOLK ORCHID SOCIETY
SUFFOLK ORCHID SOCIETY, facebook.com/Suffolk-County-Orchid-Society-of-Long-Island-574476012981082/, 631-246-5998 Meets 7 p.m. second Mon., Sept.-June at Emma Clark Library, 120 Main St., Setauket; auctions June and Nov. Dues $15, $22 family.