Aurora Garden and Horticultural Society (Horticultural Societies)
PO Box 71511, Aurora ON   L4G 6S9
      Web: www.auroragarden.usethis.com  

Markham Garden and Horticultural Society (Horticultural Societies)
22 Water St., Markham ON   L3P 7P9
      Web: www.icangarden.com/clubs/markhamghs  

Mount Albert Garden and Horticultural Society (Horticultural Societies)
Box 576, Mount Albert ON   L0G 1M0
Tel: (905) 473-9306        

Newmarket Horticultural Society (Horticultural Societies)
154 Crossland Gate, Newmarket ON   L3X 1A4
Tel: (905) 898-2635       Web: www.nhs.usethis.com  

Nobleton and King City Horticultural Society (Horticultural Societies)
15 Old King Rd., Nobleton ON   L0G 1N0
      Web: www.altflora.com/nobleton  

Richmond Hill Garden and Horticultural Society (Horticultural Societies)
10100 Yonge St., Richmond Hill ON   L4C 3N0
Tel: (905) 883-0962       Web: www.gardenontario.org  

Schomberg Horticultural Society (Horticultural Societies)
350 Main St., Schomberg ON   L0G 1T0
Tel: (905) 939-7732        

Stouffville Horticultural Society (Horticultural Societies)
PO Box 219, Stouffville ON   L4A 7Z5
Tel: (905) 640-7899        

Thornhill Garden and Horticultural Society (Horticultural Societies)
16 Laureleaf Rd., Thornhill ON   L3T 2X3
Tel: (905) 886-3507       Web: www.gardenontario.org/soc/soc_detail.php?id=262