While still cold and grey outdoors, spring has claimed a foothold in greenhouses across the city. Here, grower Jackie Robinson inspects flats of seedlings shooting up at DeGroot's Nurseries. Living up to their name, the warm and humid greenhouses “are a great place to be,” said Robinson, who will painstakingly plant nearly half a million vegetable seeds by hand before the showroom start-up on April 1. Glenn Ogilvie