Ontario Horticultural Association

The Richmond Hill Garden & Horticultural Society is an active member of District 15 of the Ontario Horticultural Association (OHA).  Please visit the OHA's informative website for information about this organization.  For convenience, a link is included below to find out more about all District 15 events posted to the OHA's Events Calendar.

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