Ontario Horticultural Association

The Richmond Hill Garden & Horticultural Society is an active member of District 15 of the Ontario Horticultural Association (OHA). 

The 2024 OHA Convention, sponsored by Districts 7 and 8, will take place from July 12 to 14 at the Delta Hotels Conference Centre in Guelph.  The 2024 theme is The Heartland of Gardens Growing and Rivers Flowing.

Our society often sponsors the keynote speaker at these annual events.  Please check back for more information about our participation in 2024.

For more information about the convention, navigate to the Convention page of the OHA's informative website.

OHA Website

Upcoming District 15 Events 

OHA 50/50 Cash Raffle Fundraisers

The OHA began sponsoring a series of 50/50 cash raffles in 2022, raising funds to support education for youth and adult members, environmental programs, awards and grants, community beautification and post secondary scholarships. The public is welcome to participate!

 OHA 50/50 Cash Raffle