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Quick Answer: ✅ Yes — Fava beans are ideal for your cool climate — sow early and harvest before summer heat sets in.
✅ Yes

Fava Beans grows well in Canadian Zone 4

Fava beans are ideal for your cool climate — sow early and harvest before summer heat sets in.

📅 When to Plant in Canadian Zone 4

Direct Sow May 1
Last Sow Date Jun 23
🌾 Harvest Jul 20 – Aug 9

Based on Canadian Zone 4's average last frost of early May and first frost of early October.

🌱 Growing Fava Beans in Canadian Zone 4

Direct sow 4-6 weeks before last frost — favas need cool conditions to set pods and fail in summer heat. Support with stakes as plants grow to 4-5 feet. Pinch out growing tips when in flower to reduce aphid problems and improve pod set. Harvest pods when beans are just visible through the pod.

❄️ Frost Tolerant

🗺️ Canadian Plant Hardiness Zones

Zone 4 is shown in this colour on the map below
Canadian Plant Hardiness Zone Map — zones 0 to 9

Canadian Plant Hardiness Zone Map (2014) — Agriculture & Agri-Food Canada / Canadian Forest Service

Canadian zones run 0–9 (coldest to warmest) — a separate system from USDA zones. Browse all Canadian zones →

Technical climate details for Canadian Zone 4
USDA Zone
4
Last Frost
early May
First Frost
early October
Frost-Free Days
152
Fava Beans Zone Range
3a – 8b
Days to Harvest
80–100 days

Frequently Asked Questions

Fava beans are ideal for your cool climate — sow early and harvest before summer heat sets in.
Canadian Zone 4 is in USDA Hardiness Zone 4 with approximately 152 frost-free days per year.
Fava Beans grows in USDA Zones 3a–8b.
Fava Beans needs moderate care and attention to thrive.