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Hanover, MB — Planting Guide

Hanover 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 813 ft, Hanover receives approximately 13.5 in of rainfall annually. Summer highs average 70°F with winter lows around 10°F. The predominant soil type is Black Chernozem.

🌡️ Zone

4b (-25°F to -20°F min)

❄️ Last Frost

May 8

🍂 First Frost

October 2

📅 Growing Season

147 days

⛰️ Elevation

813 ft

🌧️ Annual Rainfall

13.5 in

Hanover, MB Short season
147 days
Last Spring Frost May 8
147 growing days
First Fall Frost October 2

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 0.5" Feb 0.6" Mar 0.8" +2.9" Apr 1.4" +2.8" May 1.5" +2.6" Jun 1.7" +2.7" Jul 1.6" +2.8" Aug 1.5" +3" Sep 1.3" +3.4" Oct 0.9" Nov 1" Dec 0.8"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 0.5 in 7 days None
Feb 0.6 in 6 days None
Mar 0.8 in 10 days None
Apr 1.4 in 8 days 2.9 in High
May 1.5 in 10 days 2.8 in High
Jun 1.7 in 10 days 2.6 in High
Jul 1.6 in 8 days 2.7 in High
Aug 1.5 in 8 days 2.8 in High
Sep 1.3 in 7 days 3 in High
Oct 0.9 in 6 days 3.4 in Critical
Nov 1 in 8 days None
Dec 0.8 in 8 days None

Annual total: 13.6 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.

Hanover Soil Profile

Soil Type

Black Chernozem

Soil pH

6.0-7.0

Drainage

Well Drained

Gardening Difficulty Score

84 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
6.6/10

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

Zone 4b Frost Countdown
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Loading...
Last Frost: May 8 First Frost: Oct 2

Local Gardening Help in Hanover

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 Hanover's climate and soil.

County Extension Office

Hanover 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 Hanover

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

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Hanover'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 Hanover MB" or "garden center Hanover" 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 Hanover MB" or check your extension office and local parks department. Facebook groups like "Hanover Gardeners" or "Manitoba 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 Peas (harvest ends Aug 5) 71 days until frost
After Green Beans (harvest ends Aug 5) 71 days until frost
After Basil (harvest ends Sep 2) 43 days until frost
After Kale (harvest ends Aug 5) 71 days until frost
After Cabbage (harvest ends Aug 12) 64 days until frost
After Watermelon (harvest ends Sep 2) 43 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

16 hours

Summer solstice daylight

Shortest Day

8 hours

Winter solstice daylight

Peak Sun Hours

10.6 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 8.4 hr 3.3 hr Short day
February 9.9 hr 4.2 hr Short day
March 11.6 hr 5.8 hr Short day
April 13.5 hr 6.8 hr Neutral
May 15.1 hr 8.4 hr Long day
June 16 hr 10.4 hr Long day
July 15.7 hr 10.6 hr Long day
August 14.2 hr 8.4 hr Long day
September 12.3 hr 7.2 hr Neutral
October 10.5 hr 5.3 hr Short day
November 8.8 hr 3.6 hr Short day
December 8 hr 3.1 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 23° 45° 68° 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 13°F 22°F ❄️ Dormant ~36 weeks
Feb 18°F 21°F ❄️ Dormant ~36 weeks
Mar 24°F 29°F ❄️ Dormant ~36 weeks
Apr 42°F 37°F 🐢 Slow ~24 weeks
May 54°F 49°F ♻️ Active ~14 weeks
Jun 65°F 60°F 🔥 Peak ~8 weeks
Jul 74°F 65°F 🔥 Peak ~8 weeks
Aug 75°F 67°F 🔥 Peak ~8 weeks
Sep 67°F 63°F 🔥 Peak ~8 weeks
Oct 51°F 53°F ♻️ Active ~14 weeks
Nov 38°F 43°F ❄️ Dormant ~36 weeks
Dec 23°F 31°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 Hanover

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

1.7 / 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
Cabbage worms Low Jun, Jul, Aug
Colorado potato beetle Low Jun, Jul
Flea beetles Moderate May, Jun, Jul
Slugs Moderate May, Jun, Jul, Aug, Sep
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 Hanover

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 May 19 Jul 31 Rapid growth, attracts pollinators, suppresses weeds
White clover Apr 11 Aug 7 ✓ 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 6 Sep 11 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (5 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Daikon radish Aug 15 Apr 24 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 20 Apr 24 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Aug 23 Apr 17 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 10 Apr 24 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 9 Apr 17 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: 12 mph   Summer: 8 mph

Fall: 11 mph   Winter: 11 mph

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

Windbreak Benefit

4.6/10

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

Frost Pocket Risk

Low

Relatively flat terrain (290 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

6,778 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 2,250 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, Mar, Oct, 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 13.6 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 6,778 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 Hanover

Soil Type

Black Chernozem

Amend with compost each season to maintain fertility and structure.

Watering Needs

With 13.5 inches annually, regular irrigation is essential. Drip systems and heavy mulching conserve water.

Season Tips

147-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 Hanover

96 vegetables that grow well in Zone 4b with planting dates for Hanover.

Show all 96 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Acorn Squash Mar 27 May 22 May 29 Aug 21 – Sep 25 80–100
Amaranth Mar 6 May 22 May 29 Aug 28 – Oct 16 90–120
Arugula Mar 27 May 1 May 8 Jun 12 – Aug 14 30–50
Asparagus May 22 730–1095
Beets May 1 Jun 26 – Jul 24 50–70
Belgian Endive Mar 27 May 1 May 8 Aug 28 – Oct 2 110–150
Black Beans May 22 Aug 21 – Oct 9 90–120
Bok Choy Mar 27 May 1 May 8 Jun 19 – Jul 24 40–60
Broccoli Mar 27 May 1 May 8 Jul 10 – Aug 21 60–90
Broccoli Rabe Mar 27 May 1 May 8 Jun 19 – Jul 24 40–60
Brussels Sprouts Mar 27 May 1 May 8 Aug 7 – Oct 2 90–130
Butternut Squash Mar 27 May 22 May 29 Aug 28 – Oct 2 85–110
Cabbage Mar 27 May 1 May 8 Jul 10 – Sep 4 60–100
Carrots May 1 Jul 3 – Aug 7 60–80
Cauliflower Mar 27 May 1 May 8 Jul 3 – Sep 4 55–100
Celeriac Mar 27 May 1 May 8 Aug 21 – Sep 25 100–120
Celery Mar 27 May 1 May 8 Jul 31 – Sep 25 80–120
Celtuce Mar 27 May 1 May 8 Jul 10 – Aug 21 60–90
Chard Mar 27 May 1 May 8 Jul 3 – Aug 21 50–60
Chickpeas Mar 27 May 1 May 8 Jul 31 – Sep 11 80–110
Chicory Mar 27 May 1 May 8 Jul 10 – Aug 21 60–85
Chinese Cabbage Mar 27 May 1 May 8 Jul 3 – Jul 31 50–70
Christmas Lima Beans Mar 6 May 22 May 29 Aug 21 – Sep 25 80–100
Collard Greens Mar 27 May 1 May 8 Jul 3 – Sep 4 55–75
Corn May 22 Jul 24 – Sep 18 60–100
Cress Mar 27 May 1 May 8 May 22 – Jun 12 14–21
Crookneck Squash Mar 27 May 22 May 29 Jul 17 – Aug 14 45–60
Crosne May 1 Oct 2 – Sep 25 150–200
Cucumber Mar 27 May 22 May 29 Jul 24 – Sep 18 50–70
Daikon May 1 Jun 26 – Jul 24 50–70
Delicata Squash Mar 27 May 22 May 29 Aug 21 – Sep 25 80–100
Edamame May 22 Aug 7 – Sep 18 75–100
Endive Mar 27 May 1 May 8 Jun 26 – Jul 31 45–65
Escarole Mar 27 May 1 May 8 Jul 3 – Jul 31 50–70
Fava Beans Mar 27 May 1 May 8 Jul 24 – Sep 4 75–100
Fennel Mar 6 May 22 May 29 Jul 31 – Sep 11 60–90
Garlic 90–240
Green Beans May 22 Jul 17 – Sep 11 50–65
Horseradish May 22 Sep 25 – Oct 16 120–180
Hubbard Squash Mar 27 May 22 May 29 Sep 11 – Oct 16 100–120
Kabocha Mar 27 May 22 May 29 Aug 28 – Sep 25 85–100
Kai Lan Mar 27 May 1 May 8 Jun 26 – Jul 24 45–60
Kale Mar 27 May 1 May 8 Jul 3 – Aug 28 50–70
Kidney Beans May 22 Aug 21 – Sep 25 85–110
Kohlrabi Mar 27 May 1 May 8 Jun 26 – Jul 31 45–65
Komatsuna Mar 27 May 1 May 8 Jun 12 – Jul 17 35–50
Leeks Mar 27 May 1 May 8 Aug 7 – Oct 2 90–150
Lentils Mar 27 May 1 May 8 Jul 31 – Sep 11 80–110
Lettuce Mar 27 May 1 May 8 Jun 12 – Aug 21 30–60
Lima Beans May 22 Jul 24 – Sep 4 60–90
Mache Mar 27 May 1 May 8 Jun 19 – Jul 24 40–60
Melon Mar 27 May 22 May 29 Aug 7 – Sep 25 70–100
Microgreens Mar 27 May 1 May 8 May 15 – Jun 12 7–21
Mitsuba Mar 27 May 1 May 1 Jun 26 – Aug 21 50–70
Mizuna Mar 27 May 1 May 8 Jun 12 – Jul 10 30–45
Mustard Greens Mar 27 May 1 May 8 Jun 12 – Aug 14 30–50
Napa Cabbage Mar 27 May 1 May 8 Jul 3 – Aug 7 55–75
Onion Mar 27 May 1 May 8 Aug 7 – Sep 25 90–120
Pac Choi Mar 27 May 1 May 8 Jun 19 – Jul 17 40–55
Parsnip May 1 Aug 14 – Sep 25 100–130
Patty Pan Squash Mar 27 May 22 May 29 Jul 17 – Aug 14 45–60
Peas Mar 27 May 1 May 8 Jul 3 – Aug 28 55–70
Peppers Feb 20 May 22 May 29 Jul 31 – Oct 9 60–90
Pole Beans Mar 6 May 22 May 29 Jul 24 – Sep 18 55–70
Potatoes Mar 6 May 22 May 29 Aug 7 – Oct 16 70–120
Pumpkin Mar 27 May 22 May 29 Aug 28 – Oct 16 85–120
Purslane Mar 27 May 1 May 8 Jun 19 – Jul 24 40–60
Radicchio Mar 27 May 1 May 8 Jul 10 – Aug 14 60–80
Radish May 1 May 29 – Jun 19 22–35
Rhubarb Jun 5 365–730
Romanesco Mar 27 May 1 May 8 Jul 24 – Sep 4 75–100
Rutabaga May 1 Jul 24 – Aug 28 80–100
Salsify May 1 Aug 14 – Sep 25 100–130
Savoy Cabbage Mar 27 May 1 May 8 Jul 17 – Sep 11 70–110
Scallions Mar 27 May 1 May 8 Jul 3 – Jul 31 50–70
Scarlet Runner Beans Mar 6 May 22 May 29 Jul 31 – Sep 4 60–80
Shallot Mar 27 May 1 May 8 Aug 7 – Sep 25 90–120
Shiso Mar 13 May 15 May 29 Jul 24 – Sep 18 50–70
Snap Peas Mar 6 May 22 May 29 Jul 24 – Sep 18 55–70
Snow Peas Mar 27 May 1 May 8 Jul 3 – Aug 28 50–65
Soybeans May 22 Aug 14 – Oct 9 80–120
Spaghetti Squash Mar 27 May 22 May 29 Aug 28 – Sep 25 85–100
Spinach Mar 27 May 1 May 8 Jun 12 – Aug 14 35–50
Squash (Summer) Mar 27 May 22 May 29 Jul 17 – Sep 18 45–65
Squash (Winter) Mar 27 May 22 May 29 Aug 21 – Oct 16 80–120
Sunchoke May 22 Sep 11 – Oct 16 110–150
Sunflower Mar 6 May 22 May 29 Aug 7 – Sep 25 70–100
Sweet Corn May 22 Jul 24 – Sep 4 60–90
Tatsoi Mar 27 May 1 May 8 Jun 12 – Jul 17 35–50
Tomatillo Mar 6 May 22 May 29 Jul 31 – Oct 9 60–85
Tomatoes Mar 6 May 22 May 29 Jul 31 – Oct 9 60–85
Turnip May 1 Jun 12 – Jul 17 40–60
Watercress Mar 27 May 1 May 8 Jun 19 – Jul 24 40–60
Watermelon Mar 27 May 22 May 29 Aug 7 – Sep 25 70–100
Wax Beans May 22 Jul 17 – Sep 11 50–65
Zucchini Mar 27 May 22 May 29 Jul 17 – Sep 11 45–60

🍓 Fruits to Grow in Hanover

22 fruits that grow well in Zone 4b with planting dates for Hanover.

Show all 22 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Alpine Strawberries Jun 5 Sep 4 – Oct 30 90–180
Aronia Jun 5 730–1095
Blueberries Jun 5 730–1095
Cantaloupe Jun 5 Aug 14 – Sep 18 70–90
Cranberries Jun 5 730–1095
Currants Jun 5 730–1095
Elderberries Jun 5 730–1095
Goji Berries Jun 5 730–1095
Gooseberries Jun 5 730–1095
Grapes Jun 5 730–1095
Ground Cherry Jun 5 Aug 14 – Oct 9 65–80
Hardy Kiwi Jun 5 1095–1825
Haskaps Jun 5 730–1095
Honeydew Jun 5 Aug 28 – Oct 9 80–110
Jostaberry Jun 5 730–1095
Lingonberries Jun 5 730–1095
Medlar Jun 5 1095–1825
Mulberries Jun 5 730–1825
Persimmon Jun 5 1095–2555
Raspberries Jun 5 365–730
Serviceberries Jun 5 730–1095
Strawberries Jun 5 Sep 4 – Oct 30 90–365

🌿 Herbs to Grow in Hanover

32 herbs that grow well in Zone 4b with planting dates for Hanover.

Show all 32 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Angelica Mar 27 May 1 May 1 365–730
Anise Mar 27 May 1 May 1 Jul 31 – Sep 25 90–120
Basil Mar 13 May 15 May 29 Jul 24 – Sep 25 50–75
Bee Balm May 15 Aug 14 – Oct 9 90–120
Borage Mar 27 May 1 May 1 Jun 26 – Aug 14 50–60
Caraway Mar 27 May 1 May 1 365–450
Catnip May 15 Jul 17 – Sep 18 60–80
Chamomile Mar 27 May 1 May 1 Jul 3 – Sep 11 60–90
Chervil Mar 27 May 1 May 1 Jun 12 – Aug 14 40–60
Chives May 15 Jul 17 – Sep 25 60–90
Cilantro Mar 27 May 1 May 1 Jun 12 – Aug 14 40–60
Comfrey May 15 Jul 17 – Sep 25 60–90
Dill Mar 27 May 1 May 1 Jun 12 – Aug 14 40–60
Echinacea May 15 Sep 18 – Oct 9 120–180
Fennel (herb) Mar 27 May 1 May 1 Jul 3 – Sep 11 60–90
Garlic Chives May 15 Jul 17 – Sep 25 60–90
Horehound May 15 Jul 31 – Sep 25 75–90
Hyssop May 15 Jul 24 – Sep 25 70–90
Lemon Balm May 15 Jul 17 – Sep 4 60–70
Lovage May 15 Jul 24 – Sep 25 70–90
Mint May 15 Jul 17 – Sep 25 60–90
Oregano May 15 Jul 17 – Sep 25 60–90
Parsley Mar 27 May 1 May 1 Jul 3 – Sep 4 60–80
Rue May 15 Jul 24 – Sep 25 70–90
Sage May 15 Jul 31 – Sep 25 75–90
Savory May 15 Jul 10 – Sep 4 50–70
Sorrel Mar 27 May 1 May 1 Jun 12 – Aug 14 40–60
Tarragon May 15 Jul 17 – Sep 25 60–90
Thai Basil Mar 13 May 15 May 29 Jul 24 – Sep 25 50–75
Thyme May 15 Jul 24 – Sep 25 70–90
Valerian May 15 Sep 18 – Oct 9 120–180
Yarrow May 15 Aug 14 – Oct 9 90–120

Monthly Planting Guide for Hanover

Gardening Guides & Resources

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

Frequently Asked Questions

What planting zone is Hanover, MB?

Hanover is in USDA Hardiness Zone 4b. 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 Hanover, MB?

Based on 30 years of NOAA weather station data, the median last spring frost in Hanover falls around May 8. Plan transplants and direct-sow dates relative to this date.

When is the first fall frost in Hanover, MB?

The median first fall frost in Hanover arrives around October 2. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

Is Hanover a good location for home gardening?

Hanover scores 84/100 (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 Hanover gardeners in Zone 4b 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.