When to Plant Tomatillo in Trois-Rivieres, QC
Tomatillos are a Mexican staple that produces tart, green fruits enclosed in papery husks. They are essential for salsa verde and green sauces.
Trois-Rivieres, Quebec is in USDA Zone 5b. The average last spring frost is April 24 and the first fall frost is October 8, giving you a growing season of approximately 167 days.
At an elevation of 49 feet, Trois-Rivieres receives approximately 23.5 inches of rainfall annually with predominantly gray-brown podzol soil. Summer highs average 75°F, so choose short-season varieties of Tomatillo to ensure they mature before fall.
Trois-Rivieres Soil Profile
Soil Type
Gray-Brown Podzol
Soil pH
6.0-7.0
Drainage
Well Drained
Tomatillo Planting Timeline — Trois-Rivieres, QC
Tomatillo Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 27 | Feb 27 – Mar 13 |
| Transplant Outdoors | May 8 | May 8 – May 22 |
| Direct Sow | May 1 | May 1 – May 22 |
| Harvest | July 10 | Jul 10 – Sep 18 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | — |
| 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
60–85 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
167 days in Trois-Rivieres
Growing Tips for Trois-Rivieres
Start seeds indoors 6-8 weeks before last frost. Plant at least two plants for cross-pollination. Harvest when fruits fill the husk and it begins to split.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Tomatillo in Other Locations
Frequently Asked Questions
When should I plant Tomatillo in Trois-Rivieres, QC?
Trois-Rivieres is in Zone 5b with an average last frost of April 24. Plan your Tomatillo planting based on this frost date — see the calendar above for exact timing.
What planting zone is Trois-Rivieres, QC?
Trois-Rivieres, Quebec is in USDA Hardiness Zone 5b. The average last spring frost is April 24 and first fall frost is October 8.
Your Trois-Rivieres Garden Planner — Free
A 22-page printable planner built for Trois-Rivieres (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.