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When to Plant Outdoors in Edmonton (Zone 3)

May 2: plant cool crops (potatoes, peas, carrots, beets, lettuce, chard, cabbage transplants) if no hard frost. Protect transplants with sheets at night.

Wait for nights ≥12°C (54°F) for heat-lovers: beans, squash, cukes, corn, peppers, tomatoes. Traditional: after May long weekend. Barefoot test—comfortable on soil = ready for warm crops.

Growing Vegetables: Phalaenopsis Aerial Roots: Repotting & Tucking In; Repotting Cephalotus with Minimal Root Disturbance; When to Harvest Onions: Two Simple Indicators; Fixing Misshapen, Hairy Carrots; Start Your Garden Indoors: Three Proven Methods; Growing Daylilies: Soil Preparation and Planting Techniques; Growing a Starter Shade Garden: Ferns and Hostas; Growing Tips for Spuria Irises; When to Direct-Sow Heirloom Tomato Seeds Outdoors; How Late Can You Plant in Fall? Soil Temperature Guide

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