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Fort McMurray, AB — Planting Guide

Fort McMurray 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 ft, Fort McMurray receives approximately 18.1 in of rainfall annually. Summer highs average 64°F with winter lows around -4°F. The predominant soil type is Dark Brown Chernozem.

🌡️ Zone

3b (-35°F to -30°F min)

❄️ Last Frost

May 27

🍂 First Frost

October 1

📅 Growing Season

127 days

⛰️ Elevation

1,213 ft

🌧️ Annual Rainfall

18.1 in

Fort McMurray, AB Short season
127 days
Last Spring Frost May 27
127 growing days
First Fall Frost October 1

Monthly Watering Calendar

When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 0.9" Feb 0.8" Mar 1.3" Apr 1.6" +2" May 2.3" +2.3" Jun 2" +2.4" Jul 1.9" +2.5" Aug 1.8" +2.5" Sep 1.8" Oct 1.6" Nov 1.2" Dec 0.9"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 0.9 in 6 days None
Feb 0.8 in 7 days None
Mar 1.3 in 8 days None
Apr 1.6 in 11 days None
May 2.3 in 12 days 2 in High
Jun 2 in 8 days 2.3 in High
Jul 1.9 in 8 days 2.4 in High
Aug 1.8 in 8 days 2.5 in High
Sep 1.8 in 7 days 2.5 in High
Oct 1.6 in 7 days None
Nov 1.2 in 7 days None
Dec 0.9 in 8 days None

Annual total: 18.1 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.

Fort McMurray Soil Profile

Soil Type

Dark Brown Chernozem

Soil pH

6.0-7.0

Drainage

Well Drained

Gardening Difficulty Score

86 Excellent
Frost Timing Risk
0.0/10
Drought Risk
0.0/10
Soil Difficulty
3.0/10
Altitude Challenge
0.4/10
Climate Shift
0.0/10
Rainfall Challenge
4.8/10

Fort McMurray is a very forgiving place to garden. Most plants thrive here with minimal effort.

Zone 3b Frost Countdown
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Last Frost: May 27 First Frost: Oct 1

Local Gardening Help in Fort McMurray

Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Fort McMurray's climate and soil.

County Extension Office

Fort McMurray Extension Office

Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.

Master Gardener Program

Free gardening help from trained volunteers

Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.

Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.

Soil Testing

Available through your extension office

Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.

Services Available in Fort McMurray

Soil testing Pest identification
Finding local nurseries & garden centers in Fort McMurray

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Fort McMurray's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.

How to Find Them

Search for "nurseries near Fort McMurray AB" or "garden center Fort McMurray" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.

Community gardens & gardening groups

Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Fort McMurray AB" or check your extension office and local parks department. Facebook groups like "Fort McMurray Gardeners" or "Alberta Gardening" are also excellent for local advice and plant swaps.

What to Plant After Your Harvest

After your first crops finish, use the remaining frost-free days to grow a second round.

Show 6 more succession options
After Squash (Summer) (harvest ends Aug 26) 50 days until frost
After Kale (harvest ends Aug 5) 71 days until frost
After Squash (Winter) (harvest ends Sep 9) 36 days until frost
After Sweet Corn (harvest ends Jul 29) 78 days until frost
After Beets (harvest ends Jul 8) 99 days until frost
After Onion (harvest ends Aug 19) 57 days until frost

Sunlight & Day Length

Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.

Longest Day

17.5 hours

Summer solstice daylight

Shortest Day

6.5 hours

Winter solstice daylight

Peak Sun Hours

10.7 hr/day peak (summer)

Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.

14hr 12hr 1h 6h 10h 15h 19h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight hours (sunrise to sunset) Peak sun hours (direct sunlight after cloud cover) ▪ Gold zone = long day (14+ hr) ▪ Blue zone = short day (<12 hr)

Onion tip: Your long summer days (14+ hours) support long-day onion varieties like Walla Walla, Sweet Spanish, and Ailsa Craig.

View detailed monthly data
MonthDaylight HoursPeak Sun HoursDay Length
January 7.2 hr 3 hr Short day
February 9.2 hr 3.9 hr Short day
March 11.4 hr 5.4 hr Short day
April 14 hr 7.4 hr Long day
May 16.2 hr 9.6 hr Long day
June 17.5 hr 10.5 hr Long day
July 16.9 hr 10.7 hr Long day
August 14.9 hr 9.6 hr Long day
September 12.5 hr 7.5 hr Neutral
October 10 hr 5.4 hr Short day
November 7.7 hr 3 hr Short day
December 6.5 hr 2.4 hr Short day

Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.

Soil Temperature & Composting Calendar

Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Jul through Aug.

Best Month to Compost

Jul

Microbial activity peaks when soil is warm.

Active Composting

4 months

Short season — insulate pile or use indoor vermicomposting.

60°F 70°F 20° 40° 60° 80° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 7°F 14°F ❄️ Dormant ~36 weeks
Feb 6°F 14°F ❄️ Dormant ~36 weeks
Mar 18°F 19°F ❄️ Dormant ~36 weeks
Apr 33°F 33°F ❄️ Dormant ~36 weeks
May 49°F 45°F 🐢 Slow ~24 weeks
Jun 58°F 52°F ♻️ Active ~14 weeks
Jul 66°F 59°F 🔥 Peak ~8 weeks
Aug 67°F 62°F 🔥 Peak ~8 weeks
Sep 60°F 57°F ♻️ Active ~14 weeks
Oct 46°F 46°F 🐢 Slow ~24 weeks
Nov 29°F 35°F ❄️ Dormant ~36 weeks
Dec 13°F 24°F ❄️ Dormant ~36 weeks

Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.

Pest & Disease Pressure in Fort McMurray

Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.

Insect Pest Pressure

5 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

1.6 / 10

Low disease risk — dry conditions reduce fungal problems.

Seasonal Risk

Spring Low
Summer Moderate
Fall Low
Winter Low
View 4 common pests in your area
PestRisk LevelPeak Months
Aphids Low Jun, Jul, Aug
Cabbage worms Moderate Jun, Jul, Aug
Flea beetles Low May, Jun, Jul
Slugs Low May, Jun, Jul, Aug
Organic pest management tips
  • Maintain healthy soil with regular compost additions to build natural pest resistance
  • Practice crop rotation annually to break pest cycles
  • Encourage beneficial insects with flowering herbs like dill, fennel, and yarrow

Cover Crops for Fort McMurray

Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with county-specific planting dates.

Spring Cover Crops (2 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Jun 1 Jul 30 Rapid growth, attracts pollinators, suppresses weeds
White clover Apr 26 Jul 23 ✓ Yes Living mulch, fixes nitrogen, permanent ground cover
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
Crop Plant By Terminate N-Fixing Soil Benefit
Sunflowers Jun 8 Sep 10 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (3 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Oats Aug 18 May 6 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 7 May 6 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jun 28 May 6 Erosion control, weed suppression, good biomass

Wind & Microclimate

Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.

Seasonal Wind Speed

Spring: 14 mph   Summer: 8 mph

Fall: 10 mph   Winter: 13 mph

Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.

Windbreak Benefit

7.2/10

Strongly recommended — a windbreak (fence, hedge, or row of tall crops like corn or sunflowers) will significantly improve garden yields.

Frost Pocket Risk

Low

Relatively flat terrain (122 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting Potential

How much water you can collect, when to collect it, and what size system you need for your garden.

Annual Collection

9,021 gal

Per 1,000 sq ft of roof area (at 80% collection efficiency)

Recommended Setup

8 rain barrels (55 gal each)

For a typical 500 sq ft garden. Serious collectors: consider a 2,000 gal tank.

Legal Status

Unrestricted

Rainwater harvesting is fully legal in your state with no restrictions.

Best Collection Months

May, Jun, Jul, Aug

Highest rainfall months — your barrels will fill up quickly during these months.

Months to Draw From Storage

Jan, Feb, Dec

Dry months when you'll rely on stored water — size your storage for this gap.

Rainwater collection tips for your area
  • Your county receives approximately 18.1 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 9,021 gallons annually
  • Rainwater harvesting is fully legal in your state
  • In your dry climate, every drop counts — consider a larger cistern system
  • Position collection tanks in shade to reduce evaporation and algae growth

Soil & Growing Conditions in Fort McMurray

Soil Type

Dark Brown Chernozem

Amend with compost each season to maintain fertility and structure.

Watering Needs

With 18.1 inches annually, regular irrigation is essential. Drip systems and heavy mulching conserve water.

Season Tips

127-day frost-free season

A short season means indoor starts are critical for warm-season crops. Prioritise cold-hardy, fast-maturing varieties and use row covers to extend autumn harvests.

Free Garden Planner

Plan your entire garden season — organize planting dates, track what you're growing, and know exactly when to start seeds, transplant, and harvest.

Get My Free Planner →

Recommended for Your Garden

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

📏
Digital pH Meter $10-20

Get instant, accurate soil pH readings to fine-tune your amendments.

🍂
Organic Compost $8-30

Boost soil fertility and structure with rich, well-aged organic compost.

🥬 Vegetables to Grow in Fort McMurray

87 vegetables that grow well in Zone 3b with planting dates for Fort McMurray.

Show all 87 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Acorn Squash Apr 15 Jun 10 Jun 17 Sep 9 – Oct 14 80–100
Amaranth Mar 25 Jun 10 Jun 17 Sep 16 – Oct 21 90–120
Arugula Apr 15 May 20 May 27 Jul 1 – Sep 2 30–50
Asparagus Jun 10 730–1095
Beets May 20 Jul 15 – Aug 12 50–70
Belgian Endive Apr 15 May 20 May 27 Sep 16 – Sep 30 110–150
Black Beans Jun 10 Sep 9 – Oct 14 90–120
Bok Choy Apr 15 May 20 May 27 Jul 8 – Aug 12 40–60
Broccoli Apr 15 May 20 May 27 Jul 29 – Sep 9 60–90
Broccoli Rabe Apr 15 May 20 May 27 Jul 8 – Aug 12 40–60
Brussels Sprouts Apr 15 May 20 May 27 Aug 26 – Sep 30 90–130
Butternut Squash Apr 15 Jun 10 Jun 17 Sep 16 – Oct 21 85–110
Cabbage Apr 15 May 20 May 27 Jul 29 – Sep 23 60–100
Carrots May 20 Jul 22 – Aug 26 60–80
Cauliflower Apr 15 May 20 May 27 Jul 22 – Sep 23 55–100
Celeriac Apr 15 May 20 May 27 Sep 9 – Sep 30 100–120
Celery Apr 15 May 20 May 27 Aug 19 – Sep 30 80–120
Celtuce Apr 15 May 20 May 27 Jul 29 – Sep 9 60–90
Chard Apr 15 May 20 May 27 Jul 22 – Sep 9 50–60
Chickpeas Apr 15 May 20 May 27 Aug 19 – Sep 30 80–110
Chicory Apr 15 May 20 May 27 Jul 29 – Sep 9 60–85
Chinese Cabbage Apr 15 May 20 May 27 Jul 22 – Aug 19 50–70
Collard Greens Apr 15 May 20 May 27 Jul 22 – Sep 23 55–75
Corn Jun 10 Aug 12 – Oct 7 60–100
Cress Apr 15 May 20 May 27 Jun 10 – Jul 1 14–21
Crookneck Squash Apr 15 Jun 10 Jun 17 Aug 5 – Sep 2 45–60
Cucumber Apr 15 Jun 10 Jun 17 Aug 12 – Oct 7 50–70
Daikon May 20 Jul 15 – Aug 12 50–70
Delicata Squash Apr 15 Jun 10 Jun 17 Sep 9 – Oct 14 80–100
Edamame Jun 10 Aug 26 – Oct 7 75–100
Endive Apr 15 May 20 May 27 Jul 15 – Aug 19 45–65
Escarole Apr 15 May 20 May 27 Jul 22 – Aug 19 50–70
Fava Beans Apr 15 May 20 May 27 Aug 12 – Sep 23 75–100
Garlic 90–240
Green Beans Jun 10 Aug 5 – Sep 30 50–65
Horseradish Jun 10 Oct 14 120–180
Hubbard Squash Apr 15 Jun 10 Jun 17 Sep 30 – Oct 21 100–120
Kabocha Apr 15 Jun 10 Jun 17 Sep 16 – Oct 14 85–100
Kai Lan Apr 15 May 20 May 27 Jul 15 – Aug 12 45–60
Kale Apr 15 May 20 May 27 Jul 22 – Sep 16 50–70
Kidney Beans Jun 10 Sep 9 – Oct 14 85–110
Kohlrabi Apr 15 May 20 May 27 Jul 15 – Aug 19 45–65
Komatsuna Apr 15 May 20 May 27 Jul 1 – Aug 5 35–50
Leeks Apr 15 May 20 May 27 Aug 26 – Sep 30 90–150
Lentils Apr 15 May 20 May 27 Aug 19 – Sep 30 80–110
Lettuce Apr 15 May 20 May 27 Jul 1 – Sep 9 30–60
Lima Beans Jun 10 Aug 12 – Sep 23 60–90
Mache Apr 15 May 20 May 27 Jul 8 – Aug 12 40–60
Microgreens Apr 15 May 20 May 27 Jun 3 – Jul 1 7–21
Mizuna Apr 15 May 20 May 27 Jul 1 – Jul 29 30–45
Mustard Greens Apr 15 May 20 May 27 Jul 1 – Sep 2 30–50
Napa Cabbage Apr 15 May 20 May 27 Jul 22 – Aug 26 55–75
Onion Apr 15 May 20 May 27 Aug 26 – Sep 30 90–120
Pac Choi Apr 15 May 20 May 27 Jul 8 – Aug 5 40–55
Parsnip May 20 Sep 2 – Sep 23 100–130
Patty Pan Squash Apr 15 Jun 10 Jun 17 Aug 5 – Sep 2 45–60
Peas Apr 15 May 20 May 27 Jul 22 – Sep 16 55–70
Peppers Mar 11 Jun 10 Jun 17 Aug 19 – Oct 21 60–90
Pole Beans Mar 25 Jun 10 Jun 17 Aug 12 – Oct 7 55–70
Potatoes Mar 25 Jun 10 Jun 17 Aug 26 – Oct 21 70–120
Pumpkin Apr 15 Jun 10 Jun 17 Sep 16 – Oct 21 85–120
Purslane Apr 15 May 20 May 27 Jul 8 – Aug 12 40–60
Radish May 20 Jun 17 – Jul 8 22–35
Rhubarb Jun 24 365–730
Romanesco Apr 15 May 20 May 27 Aug 12 – Sep 23 75–100
Rutabaga May 20 Aug 12 – Sep 16 80–100
Salsify May 20 Sep 2 – Sep 23 100–130
Savoy Cabbage Apr 15 May 20 May 27 Aug 5 – Sep 30 70–110
Scallions Apr 15 May 20 May 27 Jul 22 – Aug 19 50–70
Scarlet Runner Beans Mar 25 Jun 10 Jun 17 Aug 19 – Sep 23 60–80
Shiso Apr 1 Jun 3 Jun 17 Aug 12 – Oct 7 50–70
Snap Peas Mar 25 Jun 10 Jun 17 Aug 12 – Oct 7 55–70
Snow Peas Apr 15 May 20 May 27 Jul 22 – Sep 16 50–65
Soybeans Jun 10 Sep 2 – Oct 14 80–120
Spaghetti Squash Apr 15 Jun 10 Jun 17 Sep 16 – Oct 14 85–100
Spinach Apr 15 May 20 May 27 Jul 1 – Sep 2 35–50
Squash (Summer) Apr 15 Jun 10 Jun 17 Aug 5 – Oct 7 45–65
Squash (Winter) Apr 15 Jun 10 Jun 17 Sep 9 – Oct 21 80–120
Sunchoke Jun 10 Sep 30 – Oct 14 110–150
Sunflower Mar 25 Jun 10 Jun 17 Aug 26 – Oct 14 70–100
Sweet Corn Jun 10 Aug 12 – Sep 23 60–90
Tatsoi Apr 15 May 20 May 27 Jul 1 – Aug 5 35–50
Tomatoes Mar 25 Jun 10 Jun 17 Aug 19 – Oct 21 60–85
Turnip May 20 Jul 1 – Aug 5 40–60
Watercress Apr 15 May 20 May 27 Jul 8 – Aug 12 40–60
Wax Beans Jun 10 Aug 5 – Sep 30 50–65
Zucchini Apr 15 Jun 10 Jun 17 Aug 5 – Sep 30 45–60

🍓 Fruits to Grow in Fort McMurray

15 fruits that grow well in Zone 3b with planting dates for Fort McMurray.

Show all 15 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Alpine Strawberries Jun 24 Sep 23 – Oct 28 90–180
Aronia Jun 24 730–1095
Blueberries Jun 24 730–1095
Cranberries Jun 24 730–1095
Currants Jun 24 730–1095
Elderberries Jun 24 730–1095
Goji Berries Jun 24 730–1095
Gooseberries Jun 24 730–1095
Hardy Kiwi Jun 24 1095–1825
Haskaps Jun 24 730–1095
Jostaberry Jun 24 730–1095
Lingonberries Jun 24 730–1095
Raspberries Jun 24 365–730
Serviceberries Jun 24 730–1095
Strawberries Jun 24 Sep 23 – Oct 28 90–365

🌿 Herbs to Grow in Fort McMurray

22 herbs that grow well in Zone 3b with planting dates for Fort McMurray.

Show all 22 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Angelica Apr 15 May 20 May 20 365–730
Bee Balm Jun 3 Sep 2 – Oct 7 90–120
Borage Apr 15 May 20 May 20 Jul 15 – Sep 2 50–60
Caraway Apr 15 May 20 May 20 365–450
Catnip Jun 3 Aug 5 – Oct 7 60–80
Chamomile Apr 15 May 20 May 20 Jul 22 – Sep 23 60–90
Chervil Apr 15 May 20 May 20 Jul 1 – Sep 2 40–60
Chives Jun 3 Aug 5 – Oct 7 60–90
Cilantro Apr 15 May 20 May 20 Jul 1 – Sep 2 40–60
Comfrey Jun 3 Aug 5 – Oct 7 60–90
Dill Apr 15 May 20 May 20 Jul 1 – Sep 2 40–60
Echinacea Jun 3 Oct 7 120–180
Garlic Chives Jun 3 Aug 5 – Oct 7 60–90
Horehound Jun 3 Aug 19 – Oct 7 75–90
Hyssop Jun 3 Aug 12 – Oct 7 70–90
Lemon Balm Jun 3 Aug 5 – Sep 23 60–70
Lovage Jun 3 Aug 12 – Oct 7 70–90
Mint Jun 3 Aug 5 – Oct 7 60–90
Parsley Apr 15 May 20 May 20 Jul 22 – Sep 23 60–80
Sorrel Apr 15 May 20 May 20 Jul 1 – Sep 2 40–60
Valerian Jun 3 Oct 7 120–180
Yarrow Jun 3 Sep 2 – Oct 7 90–120

Monthly Planting Guide for Fort McMurray

Gardening Guides & Resources

Helpful guides from The Ultimate Homestead to improve your garden in Fort McMurray.

Frequently Asked Questions

What planting zone is Fort McMurray, AB?

Fort McMurray is in USDA Hardiness Zone 3b. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.

When is the last frost in Fort McMurray, AB?

Based on 30 years of NOAA weather station data, the median last spring frost in Fort McMurray falls around May 27. Plan transplants and direct-sow dates relative to this date.

When is the first fall frost in Fort McMurray, AB?

The median first fall frost in Fort McMurray arrives around October 1. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

Is Fort McMurray a good location for home gardening?

Fort McMurray scores 86/100 (Excellent) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. This is an above-average location for home gardening with relatively predictable growing conditions.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — designed to help Fort McMurray gardeners in Zone 3b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Level Up Your Garden

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: April 2026.