When to Plant Mache in Winnipeg, MB
Mache (corn salad) is a cold-hardy salad green with small, rounded, tender leaves and a mild, nutty flavor. It thrives in cool weather and even overwinters in many climates.
Winnipeg, Manitoba is in USDA Zone 4b. The average last spring frost is May 8 and the first fall frost is October 2, giving you a growing season of approximately 147 days.
At an elevation of 784 feet, Winnipeg receives approximately 14.5 inches of rainfall annually with predominantly black chernozem soil. Summer highs average 73°F, so choose short-season varieties of Mache to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Mache successfully. Mulch heavily to conserve soil moisture.
Winnipeg Soil Profile
Soil Type
Black Chernozem
Soil pH
6.0-7.0
Drainage
Well Drained
Mache Planting Timeline — Winnipeg, MB
Mache Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 27 | Mar 27 – Apr 10 |
| Transplant Outdoors | May 8 | May 8 – May 22 |
| Direct Sow | May 1 | May 1 – May 22 |
| Harvest | June 19 | Jun 19 – Jul 24 |
| Fall Sowing | July 10 | Jul 10 – Jul 24 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Start Indoors |
| May | Transplant Outdoors Direct Sow |
| June | Harvest |
| July | Fall Sowing Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
40–60 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 4b
📆 Growing Season
147 days in Winnipeg
Growing Tips for Winnipeg
Direct sow in early spring or late summer for fall and winter harvest. Seeds need light to germinate so press gently into soil surface. Harvest whole rosettes.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Mache in Other Locations
Frequently Asked Questions
When should I plant Mache in Winnipeg, MB?
Winnipeg is in Zone 4b with an average last frost of May 8. Plan your Mache planting based on this frost date — see the calendar above for exact timing.
What planting zone is Winnipeg, MB?
Winnipeg, Manitoba is in USDA Hardiness Zone 4b. The average last spring frost is May 8 and first fall frost is October 2.
Your Winnipeg Garden Planner — Free
A 22-page printable planner built for Winnipeg (Zone 4b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.