When to Plant Potatoes in Montreal, QC
Potatoes are a versatile staple crop that produces tubers underground. They come in hundreds of varieties with varying colors, textures, and maturity dates.
Montreal, Quebec is in USDA Zone 6b. The average last spring frost is April 13 and the first fall frost is October 17, giving you a growing season of approximately 187 days.
At an elevation of 118 feet, Montreal receives approximately 35.8 inches of rainfall annually with predominantly gray-brown podzol soil. Summer highs average 79°F, so choose short-season varieties of Potatoes to ensure they mature before fall.
Montreal Soil Profile
Soil Type
Gray-Brown Podzol
Soil pH
6.0-7.0
Drainage
Well Drained
How Much Potatoes to Grow
For a family of 4, plant approximately 20 potatoes plants in about 40 sq ft. In Montreal's 187-day season, you'll have plenty of time for a full harvest. Plan your garden layout →
Potatoes Planting Timeline — Montreal, QC
Potatoes Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 16 | Feb 16 – Mar 2 |
| Transplant Outdoors | April 27 | Apr 27 – May 11 |
| Direct Sow | April 20 | Apr 20 – May 11 |
| Harvest | July 6 | Jul 6 – Sep 14 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
70–120 days
🧪 Soil pH
Needs 5–6.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6b
📆 Growing Season
187 days in Montreal
Growing Tips for Montreal
Plant seed potatoes (not grocery store potatoes) 4 inches deep in spring. Hill soil around stems as plants grow to prevent greening. Stop watering when plants die back.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Potatoes in Other Locations
Frequently Asked Questions
When should I plant Potatoes in Montreal, QC?
Montreal is in Zone 6b with an average last frost of April 13. Plan your Potatoes planting based on this frost date — see the calendar above for exact timing.
What planting zone is Montreal, QC?
Montreal, Quebec is in USDA Hardiness Zone 6b. The average last spring frost is April 13 and first fall frost is October 17.
Your Montreal Garden Planner — Free
A 22-page printable planner built for Montreal (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.