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When to Plant Cress in Fort McMurray, AB

Garden cress is one of the fastest-growing edibles, producing peppery sprouts in as little as two weeks. It is excellent for microgreens and garnishes.

Fort McMurray, Alberta is in USDA Zone 3b. The average last spring frost is May 27 and the first fall frost is October 1, giving you a growing season of approximately 127 days.

At an elevation of 1,213 feet, Fort McMurray receives approximately 18.1 inches of rainfall annually with predominantly dark brown chernozem soil. Summer highs average 64°F, so choose short-season varieties of Cress to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Cress successfully. Mulch heavily to conserve soil moisture.

Fort McMurray, AB (Zone 3b) Short season
127 days
Last Spring Frost May 27
127 growing days
First Fall Frost October 1

Fort McMurray Soil Profile

Soil Type

Dark Brown Chernozem

Soil pH

6.0-7.0

Drainage

Well Drained

Cress Planting Timeline — Fort McMurray, AB

Cress Planting Calendar

Activity When Date Range
Start Indoors April 15 Apr 15 – Apr 29
Transplant Outdoors May 27 May 27 – Jun 10
Direct Sow May 20 May 20 – Jun 10
Harvest June 10 Jun 10 – Jul 1
Fall Sowing July 9 Jul 9 – Jul 23

Plant 0.5" deep · 2" apart · Rows 6" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April Start Indoors
May Transplant Outdoors Direct Sow
June Transplant Outdoors Direct Sow 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

14–21 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 3b

📆 Growing Season

127 days in Fort McMurray

Growing Tips for Fort McMurray

Sow seeds thickly on moist soil or paper towels. Keep moist and harvest when 2-3 inches tall. Succession sow every few days for continuous supply. Grows well indoors year-round.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cress in Fort McMurray, AB?

Fort McMurray is in Zone 3b with an average last frost of May 27. Plan your Cress planting based on this frost date — see the calendar above for exact timing.

What planting zone is Fort McMurray, AB?

Fort McMurray, Alberta is in USDA Hardiness Zone 3b. The average last spring frost is May 27 and first fall frost is October 1.

🌱

Your Fort McMurray Garden Planner — Free

A 22-page printable planner built for Fort McMurray (Zone 3b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Fort McMurray, AB. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.