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Sherbrooke, QC — Planting Guide

Sherbrooke is in USDA Zone 5b. The average last spring frost is April 23 and the first fall frost is October 7, giving you a growing season of approximately 167 days.

At an elevation of 738 ft, Sherbrooke receives approximately 30.7 in of rainfall annually. Summer highs average 74°F with winter lows around 10°F. The predominant soil type is Gray-Brown Podzol.

🌡️ Zone

5b (-15°F to -10°F min)

❄️ Last Frost

April 23

🍂 First Frost

October 7

📅 Growing Season

167 days

⛰️ Elevation

738 ft

🌧️ Annual Rainfall

30.7 in

Sherbrooke, QC Moderate season
167 days
Last Spring Frost April 23
167 growing days
First Fall Frost October 7

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 1.4" Feb 1.2" Mar 2.3" +1.3" Apr 3" +0.4" May 3.9" Jun 4.1" +0.9" Jul 3.4" +1.6" Aug 2.7" +1.7" Sep 2.6" +2.2" Oct 2.1" Nov 2" Dec 1.9"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 1.4 in 7 days None
Feb 1.2 in 6 days None
Mar 2.3 in 9 days None
Apr 3 in 8 days 1.3 in Moderate
May 3.9 in 10 days 0.4 in Low
Jun 4.1 in 9 days 0.2 in Low
Jul 3.4 in 10 days 0.9 in Moderate
Aug 2.7 in 10 days 1.6 in High
Sep 2.6 in 7 days 1.7 in High
Oct 2.1 in 8 days 2.2 in High
Nov 2 in 6 days None
Dec 1.9 in 7 days None

Annual total: 30.6 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.

Sherbrooke Soil Profile

Soil Type

Gray-Brown Podzol

Soil pH

6.0-7.0

Drainage

Well Drained

Gardening Difficulty Score

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

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

Zone 5b Frost Countdown
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Last Frost: Apr 23 First Frost: Oct 7

Local Gardening Help in Sherbrooke

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 Sherbrooke's climate and soil.

County Extension Office

Sherbrooke 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 Sherbrooke

Soil testing Pest identification
Finding local nurseries & garden centers in Sherbrooke

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Sherbrooke'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 Sherbrooke QC" or "garden center Sherbrooke" 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 Sherbrooke QC" or check your extension office and local parks department. Facebook groups like "Sherbrooke Gardeners" or "Quebec 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 Watermelon (harvest ends Aug 26) 50 days until frost
After Squash (Summer) (harvest ends Aug 19) 57 days until frost
After Cantaloupe (harvest ends Aug 19) 57 days until frost
After Eggplant (harvest ends Sep 9) 36 days until frost
After Peas (harvest ends Aug 5) 71 days until frost
After Chard (harvest ends Jul 29) 78 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

15.5 hours

Summer solstice daylight

Shortest Day

8.5 hours

Winter solstice daylight

Peak Sun Hours

10 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 2h 6h 10h 13h 17h 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 8.9 hr 3.7 hr Short day
February 10.2 hr 4.4 hr Short day
March 11.6 hr 5.4 hr Short day
April 13.3 hr 6.7 hr Neutral
May 14.7 hr 8.9 hr Long day
June 15.5 hr 9.8 hr Long day
July 15.1 hr 10 hr Long day
August 13.9 hr 8.2 hr Neutral
September 12.3 hr 7.4 hr Neutral
October 10.7 hr 5.5 hr Short day
November 9.3 hr 3.9 hr Short day
December 8.5 hr 3.2 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 Jun through Sep.

Best Month to Compost

Jun

Microbial activity peaks when soil is warm.

Active Composting

6 months

Solid season. Piles go dormant in winter.

60°F 70°F 10° 30° 50° 70° 90° 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 24°F 30°F ❄️ Dormant ~36 weeks
Feb 22°F 28°F ❄️ Dormant ~36 weeks
Mar 33°F 35°F ❄️ Dormant ~36 weeks
Apr 45°F 42°F 🐢 Slow ~24 weeks
May 60°F 54°F ♻️ Active ~14 weeks
Jun 70°F 64°F 🔥 Peak ~8 weeks
Jul 77°F 72°F 🔥 Peak ~8 weeks
Aug 76°F 74°F 🔥 Peak ~8 weeks
Sep 70°F 68°F 🔥 Peak ~8 weeks
Oct 55°F 60°F ♻️ Active ~14 weeks
Nov 42°F 47°F 🐢 Slow ~24 weeks
Dec 31°F 38°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 Sherbrooke

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

Insect Pest Pressure

5.7 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

1.7 / 10

Low disease risk — dry conditions reduce fungal problems.

Seasonal Risk

Spring Low
Summer High
Fall Low
Winter Low
View 5 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate May, Jun, Jul, Aug
Japanese beetles Moderate Jun, Jul, Aug
Squash bugs Moderate Jun, Jul, Aug
Tomato hornworms Moderate Jul, Aug
Cabbage loopers Moderate 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 Sherbrooke

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

Spring Cover Crops (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Apr 29 Aug 12 Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass Apr 26 Jul 29 Massive biomass, breaks compaction, suppresses nematodes
White clover Mar 24 Jul 29 ✓ 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 May 21 Sep 23 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (6 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Austrian winter peas Aug 5 Apr 2 ✓ Yes Fixes nitrogen, good for heavy clay soils
Daikon radish Aug 13 Apr 9 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 31 Apr 9 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 6 Apr 2 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 15 Apr 9 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 10 Apr 9 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: 13 mph   Summer: 8 mph

Fall: 9 mph   Winter: 11 mph

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

Windbreak Benefit

5.4/10

Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.

Frost Pocket Risk

Low

Relatively flat terrain (236 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

15,251 gal

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

Recommended Setup

6 rain barrels (55 gal each)

For a typical 500 sq ft garden. Serious collectors: consider a 1,750 gal tank.

Legal Status

Unrestricted

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

Best Collection Months

Apr, May, Jun, Jul

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 30.6 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 15,251 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (Jan, Feb, Dec)
  • Use a first-flush diverter to keep roof debris out of your collection

Soil & Growing Conditions in Sherbrooke

Soil Type

Gray-Brown Podzol

Amend with compost each season to maintain fertility and structure.

Watering Needs

Moderate rainfall (30.7 in.) — plan to water 1–2 times per week during the growing season.

Season Tips

167-day frost-free season

Start warm-season crops indoors and focus on short-season varieties. Cold frames extend your season by 3–4 weeks in fall.

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 Sherbrooke

106 vegetables that grow well in Zone 5b with planting dates for Sherbrooke.

Show all 106 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Acorn Squash Mar 19 Apr 30 May 7 Jul 30 – Sep 3 80–100
Amaranth Feb 26 Apr 30 May 7 Aug 6 – Sep 24 90–120
Arugula Mar 19 Apr 9 Apr 23 May 28 – Jul 30 30–50
Asparagus May 7 730–1095
Beets Apr 9 Jun 4 – Jul 2 50–70
Belgian Endive Mar 19 Apr 9 Apr 23 Aug 13 – Oct 8 110–150
Bitter Melon Feb 26 Apr 30 May 7 Jul 9 – Aug 20 60–90
Black Beans Apr 30 Jul 30 – Sep 17 90–120
Bok Choy Mar 19 Apr 9 Apr 23 Jun 4 – Jul 9 40–60
Broccoli Mar 19 Apr 9 Apr 23 Jun 25 – Aug 6 60–90
Broccoli Rabe Mar 19 Apr 9 Apr 23 Jun 4 – Jul 9 40–60
Brussels Sprouts Mar 19 Apr 9 Apr 23 Jul 23 – Sep 17 90–130
Butternut Squash Mar 19 Apr 30 May 7 Aug 6 – Sep 10 85–110
Cabbage Mar 19 Apr 9 Apr 23 Jun 25 – Aug 20 60–100
Calabash Feb 26 Apr 30 May 7 Jul 30 – Sep 24 80–120
Carrots Apr 9 Jun 11 – Jul 16 60–80
Cauliflower Mar 19 Apr 9 Apr 23 Jun 18 – Aug 20 55–100
Celeriac Mar 19 Apr 9 Apr 23 Aug 6 – Sep 10 100–120
Celery Mar 19 Apr 9 Apr 23 Jul 16 – Sep 10 80–120
Celtuce Mar 19 Apr 9 Apr 23 Jun 25 – Aug 6 60–90
Chard Mar 19 Apr 9 Apr 23 Jun 18 – Aug 6 50–60
Chickpeas Mar 19 Apr 9 Apr 23 Jul 16 – Aug 27 80–110
Chicory Mar 19 Apr 9 Apr 23 Jun 25 – Aug 6 60–85
Chinese Cabbage Mar 19 Apr 9 Apr 23 Jun 18 – Jul 16 50–70
Christmas Lima Beans Feb 26 Apr 30 May 7 Jul 30 – Sep 3 80–100
Collard Greens Mar 19 Apr 9 Apr 23 Jun 18 – Aug 20 55–75
Corn Apr 30 Jul 2 – Aug 27 60–100
Cowpeas Apr 30 Jul 2 – Aug 13 60–90
Cress Mar 19 Apr 9 Apr 23 May 7 – May 28 14–21
Crookneck Squash Mar 19 Apr 30 May 7 Jun 25 – Jul 23 45–60
Crosne Apr 9 Sep 10 – Sep 24 150–200
Cucumber Mar 19 Apr 30 May 7 Jul 2 – Aug 27 50–70
Daikon Apr 9 Jun 4 – Jul 2 50–70
Delicata Squash Mar 19 Apr 30 May 7 Jul 30 – Sep 3 80–100
Edamame Apr 30 Jul 16 – Aug 27 75–100
Eggplant Feb 12 Apr 30 May 7 Jul 16 – Sep 17 65–85
Endive Mar 19 Apr 9 Apr 23 Jun 11 – Jul 16 45–65
Escarole Mar 19 Apr 9 Apr 23 Jun 18 – Jul 16 50–70
Fava Beans Mar 19 Apr 9 Apr 23 Jul 9 – Aug 20 75–100
Fennel Feb 26 Apr 30 May 7 Jul 9 – Aug 20 60–90
Garlic 90–240
Green Beans Apr 30 Jun 25 – Aug 20 50–65
Horseradish May 7 Sep 10 – Oct 22 120–180
Hot Peppers Feb 12 Apr 30 May 7 Jul 16 – Oct 22 70–120
Hubbard Squash Mar 19 Apr 30 May 7 Aug 20 – Sep 24 100–120
Kabocha Mar 19 Apr 30 May 7 Aug 6 – Sep 3 85–100
Kai Lan Mar 19 Apr 9 Apr 23 Jun 11 – Jul 9 45–60
Kale Mar 19 Apr 9 Apr 23 Jun 18 – Aug 13 50–70
Kidney Beans Apr 30 Jul 30 – Sep 3 85–110
Kohlrabi Mar 19 Apr 9 Apr 23 Jun 11 – Jul 16 45–65
Komatsuna Mar 19 Apr 9 Apr 23 May 28 – Jul 2 35–50
Leeks Mar 19 Apr 9 Apr 23 Jul 23 – Oct 8 90–150
Lentils Mar 19 Apr 9 Apr 23 Jul 16 – Aug 27 80–110
Lettuce Mar 19 Apr 9 Apr 23 May 28 – Aug 6 30–60
Lima Beans Apr 30 Jul 2 – Aug 13 60–90
Mache Mar 19 Apr 9 Apr 23 Jun 4 – Jul 9 40–60
Melon Mar 19 Apr 30 May 7 Jul 16 – Sep 3 70–100
Microgreens Mar 19 Apr 9 Apr 23 Apr 30 – May 28 7–21
Mitsuba Mar 19 Apr 9 Apr 16 Jun 11 – Aug 6 50–70
Mizuna Mar 19 Apr 9 Apr 23 May 28 – Jun 25 30–45
Mustard Greens Mar 19 Apr 9 Apr 23 May 28 – Jul 30 30–50
Napa Cabbage Mar 19 Apr 9 Apr 23 Jun 18 – Jul 23 55–75
New Zealand Spinach Feb 26 Apr 30 May 7 Jul 2 – Jul 30 55–70
Okra Feb 26 Apr 30 May 7 Jul 2 – Aug 27 50–65
Onion Mar 19 Apr 9 Apr 23 Jul 23 – Sep 10 90–120
Pac Choi Mar 19 Apr 9 Apr 23 Jun 4 – Jul 2 40–55
Parsnip Apr 9 Jul 23 – Sep 3 100–130
Patty Pan Squash Mar 19 Apr 30 May 7 Jun 25 – Jul 23 45–60
Peas Mar 19 Apr 9 Apr 23 Jun 18 – Aug 13 55–70
Peppers Feb 12 Apr 30 May 7 Jul 9 – Sep 17 60–90
Pole Beans Feb 26 Apr 30 May 7 Jul 2 – Aug 27 55–70
Potatoes Feb 26 Apr 30 May 7 Jul 16 – Sep 24 70–120
Pumpkin Mar 19 Apr 30 May 7 Aug 6 – Sep 24 85–120
Purslane Mar 19 Apr 9 Apr 23 Jun 4 – Jul 9 40–60
Radicchio Mar 19 Apr 9 Apr 23 Jun 25 – Jul 30 60–80
Radish Apr 9 May 7 – May 28 22–35
Rhubarb May 14 365–730
Romanesco Mar 19 Apr 9 Apr 23 Jul 9 – Aug 20 75–100
Rutabaga Apr 9 Jul 2 – Aug 6 80–100
Salsify Apr 9 Jul 23 – Sep 3 100–130
Savoy Cabbage Mar 19 Apr 9 Apr 23 Jul 2 – Aug 27 70–110
Scallions Mar 19 Apr 9 Apr 23 Jun 18 – Jul 16 50–70
Scarlet Runner Beans Feb 26 Apr 30 May 7 Jul 9 – Aug 13 60–80
Shallot Mar 19 Apr 9 Apr 23 Jul 23 – Sep 10 90–120
Shiso Mar 5 Apr 30 May 7 Jul 2 – Aug 27 50–70
Snap Peas Feb 26 Apr 30 May 7 Jul 2 – Aug 27 55–70
Snow Peas Mar 19 Apr 9 Apr 23 Jun 18 – Aug 13 50–65
Soybeans Apr 30 Jul 23 – Sep 17 80–120
Spaghetti Squash Mar 19 Apr 30 May 7 Aug 6 – Sep 3 85–100
Spinach Mar 19 Apr 9 Apr 23 May 28 – Jul 30 35–50
Squash (Summer) Mar 19 Apr 30 May 7 Jun 25 – Aug 27 45–65
Squash (Winter) Mar 19 Apr 30 May 7 Jul 30 – Sep 24 80–120
Sunchoke May 7 Aug 27 – Oct 22 110–150
Sunflower Feb 26 Apr 30 May 7 Jul 16 – Sep 3 70–100
Sweet Corn Apr 30 Jul 2 – Aug 13 60–90
Sweet Potatoes Feb 26 Apr 30 May 7 Aug 6 – Sep 24 90–120
Tatsoi Mar 19 Apr 9 Apr 23 May 28 – Jul 2 35–50
Tomatillo Feb 26 Apr 30 May 7 Jul 9 – Sep 17 60–85
Tomatoes Feb 26 Apr 30 May 7 Jul 9 – Sep 17 60–85
Turnip Apr 9 May 21 – Jun 25 40–60
Watercress Mar 19 Apr 9 Apr 23 Jun 4 – Jul 9 40–60
Watermelon Mar 19 Apr 30 May 7 Jul 16 – Sep 3 70–100
Wax Beans Apr 30 Jun 25 – Aug 20 50–65
Winter Melon Feb 26 Apr 30 May 7 Aug 6 – Sep 24 90–120
Yard Long Beans Feb 26 Apr 30 May 7 Jul 2 – Aug 13 55–80
Zucchini Mar 19 Apr 30 May 7 Jun 25 – Aug 20 45–60

🍓 Fruits to Grow in Sherbrooke

27 fruits that grow well in Zone 5b with planting dates for Sherbrooke.

Show all 27 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Alpine Strawberries May 14 Aug 13 – Oct 29 90–180
Aronia May 14 730–1095
Blackberries May 14 365–730
Blueberries May 14 730–1095
Boysenberries May 14 365–730
Cantaloupe May 14 Jul 23 – Aug 27 70–90
Che Fruit May 14 1095–1825
Cranberries May 14 730–1095
Currants May 14 730–1095
Elderberries May 14 730–1095
Goji Berries May 14 730–1095
Gooseberries May 14 730–1095
Grapes May 14 730–1095
Ground Cherry May 14 Jul 23 – Sep 17 65–80
Hardy Kiwi May 14 1095–1825
Haskaps May 14 730–1095
Honeydew May 14 Aug 6 – Sep 17 80–110
Jostaberry May 14 730–1095
Lingonberries May 14 730–1095
Medlar May 14 1095–1825
Mulberries May 14 730–1825
Pawpaw May 14 1095–2555
Persimmon May 14 1095–2555
Quince May 14 1095–1825
Raspberries May 14 365–730
Serviceberries May 14 730–1095
Strawberries May 14 Aug 13 – Oct 29 90–365

🌿 Herbs to Grow in Sherbrooke

37 herbs that grow well in Zone 5b with planting dates for Sherbrooke.

Show all 37 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Angelica Mar 19 Apr 9 Apr 16 365–730
Anise Mar 19 Apr 9 Apr 16 Jul 16 – Oct 1 90–120
Basil Mar 5 Apr 30 May 7 Jul 2 – Sep 3 50–75
Bee Balm Apr 30 Jul 30 – Oct 15 90–120
Borage Mar 19 Apr 9 Apr 16 Jun 11 – Jul 30 50–60
Caraway Mar 19 Apr 9 Apr 16 365–450
Catnip Apr 30 Jul 2 – Sep 3 60–80
Chamomile Mar 19 Apr 9 Apr 16 Jun 18 – Aug 27 60–90
Chervil Mar 19 Apr 9 Apr 16 May 28 – Jul 30 40–60
Chives Apr 30 Jul 2 – Sep 10 60–90
Cilantro Mar 19 Apr 9 Apr 16 May 28 – Jul 30 40–60
Comfrey Apr 30 Jul 2 – Sep 10 60–90
Cumin Mar 19 Apr 9 Apr 16 Jul 30 – Oct 1 100–120
Dill Mar 19 Apr 9 Apr 16 May 28 – Jul 30 40–60
Echinacea Apr 30 Sep 3 – Oct 15 120–180
Epazote Mar 5 Apr 30 May 7 Jun 25 – Aug 20 45–60
Fennel (herb) Mar 19 Apr 9 Apr 16 Jun 18 – Aug 27 60–90
Feverfew Apr 30 Jul 30 – Oct 15 90–120
Garlic Chives Apr 30 Jul 2 – Sep 10 60–90
Horehound Apr 30 Jul 16 – Sep 10 75–90
Hyssop Apr 30 Jul 9 – Sep 10 70–90
Lavender Apr 30 Jul 30 – Oct 15 90–200
Lemon Balm Apr 30 Jul 2 – Aug 20 60–70
Lemon Thyme Apr 30 Jul 9 – Sep 10 70–90
Lovage Apr 30 Jul 9 – Sep 10 70–90
Mint Apr 30 Jul 2 – Sep 10 60–90
Oregano Apr 30 Jul 2 – Sep 10 60–90
Parsley Mar 19 Apr 9 Apr 16 Jun 18 – Aug 20 60–80
Rue Apr 30 Jul 9 – Sep 10 70–90
Sage Apr 30 Jul 16 – Sep 10 75–90
Savory Apr 30 Jun 25 – Aug 20 50–70
Sorrel Mar 19 Apr 9 Apr 16 May 28 – Jul 30 40–60
Tarragon Apr 30 Jul 2 – Sep 10 60–90
Thai Basil Mar 5 Apr 30 May 7 Jul 2 – Sep 3 50–75
Thyme Apr 30 Jul 9 – Sep 10 70–90
Valerian Apr 30 Sep 3 – Oct 15 120–180
Yarrow Apr 30 Jul 30 – Oct 15 90–120

Monthly Planting Guide for Sherbrooke

Gardening Guides & Resources

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

Frequently Asked Questions

What planting zone is Sherbrooke, QC?

Sherbrooke is in USDA Hardiness Zone 5b. 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 Sherbrooke, QC?

Based on 30 years of NOAA weather station data, the median last spring frost in Sherbrooke falls around April 23. Plan transplants and direct-sow dates relative to this date.

When is the first fall frost in Sherbrooke, QC?

The median first fall frost in Sherbrooke arrives around October 7. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

Is Sherbrooke a good location for home gardening?

Sherbrooke scores 95/100 (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 Sherbrooke gardeners in Zone 5b 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.