As we approach the deep mid-winter, a light flurry of snow is gently falling, adding to the duvet of white already covering the ground. So, I thought I would add some colour to this wintry scene, in hope of brightening the day. And where better to colour our world than in a garden. In this case, I’m retracing my steps of an early April visit to Toronto’s historic Allan Gardens Conservatory. A Winter Oasis Robert McCallum‘s 1910 Edwardian conservatory is the architectural centrepiece of the Allan Gardens park. And on this day, its classically proportioned glass domes stood shining in the sun, in stark contrast to the high rises beyond.…