Calgary sits firmly in hardiness zone 3b, which means your growing season runs roughly 110 days from late May to early September, with winter lows that can dip below -35°C. This designation isn’t just a number on a map. It shapes every decision you’ll make in your garden, from which tomato varieties will actually ripen before frost to whether that beautiful magnolia you spotted at the nursery stands a chance of surviving until next spring.
Understanding your zone gives you a head start. Sarah Chen, a community gardener in Bridgeland, learned this the hard way after losing three years of fruit tree investments to brutal …
