You would have to contact the city of victoria has it's city property I imagine. I'm not sure if they would do a tent reception there as it's public grounds - I haven't run into anything like that. Best place to start would be City Parks of Victoria.
I know an awesome photographer - Dragonflight Photography ;-)
Rook & Rose - best florists in town!
Hi there. I would agree for the venue you'll have to talk to the City of Victoria.
For flowers I would suggest ordering them through COSTCO and have your pickup at the Langford store (which is 20min from Victoria). That's what we did and it saved us a ton of money on flowers.
Our photographer wasn't that great but my friend used: http://jonmarkphoto.com/ and he was amazing!
Click on each tool to see a sample.