Trying to explain where to find the garden can be confusing. Where's the garden? On top of the heating plant. Where's the heating plant? Under the garden... and so on. So here's a google street view map from early last spring, before anything was planted.

The official address is 31 Rochester Street. It's between Primrose and Albert on the east side of the street. Most plots on the western side get some pretty good sunlight, but the small plots on the east side are shaded by buildings and trees. The front lawn is also fairly shady (blame the tree!!!!).
Here's a pic of my plot from mid-summer. What a difference, eh?

This block of Rochester is part of the Lebreton Flats. It's the southern edge of the area that was razed by the NCC in the 60's, and has some older buildings that were retained (like the buildings on either side of the garden) while others were torn down. In the late 70's, the NCC developed a plan for what was then called Phase 1 of the Lebreton Flats renewal.
A call went out asking for groups to develop small parcels of land. The offer was in large part taken up by co-ops and non-profit housing providers, who all built groups of rental townhomes or low rise multi-residential buildings for low and moderate income tenants/ co-op members. The community heating plant was built as a demonstration project by the Canada Mortgage and Housing Corporation. Originally intended to provide heat and hot water to the whole area, it now heats 150 units from Tompkins Coop on Preston Street to CCOC's 5 storey apartment building at 170 Booth Street.