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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 for Hanover

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

The practical takeaway: Over-watering kills more plants than under-watering. Hanover's 14" annual rainfall changes the gardening playbook — humid-region gardeners often water by the calendar when they should water by the soil moisture.

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 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 Spinach (harvest ends Jul 22) 85 days until frost
After Cauliflower (harvest ends Aug 12) 64 days until frost

Sunlight & Day Length in Hanover

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

What this means for you: Plants use day length as their seasonal clock. Some crops flower when days lengthen (most flowers), some when days shorten (chrysanthemums, soybeans). Hanover's curve is the timing layer beneath everything you grow.

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 in Hanover

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

What this means for you: Soil temperature is a leading indicator. A black plastic mulch can warm soil 5-10°F faster than bare ground — meaningful in Hanover's spring if you're trying to plant tomatoes earlier.

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.

What this means for you: Pest pressure is a function of climate, not effort. Hanover's baseline tells you how much vigilance is normal. A bad pest year in low-pressure region = a normal year in high-pressure region.

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 planting dates calibrated for your area.

Quick context: Why not just leave bare soil? Weed seeds, erosion, nutrient leaching, and crust formation. A cover crop solves all of these for the cost of seeds and one mowing.

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 in Hanover

Why this matters: New gardeners under-plan for wind. Hanover averages 8.4 mph — fine for most days. But every region has its windy days, and the first time a row of unstaked peppers leans over after a storm is a lesson you only need once.

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 in Hanover

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

The practical takeaway: Building a rainwater system is mostly about doing the math: roof area × annual rainfall × 0.6 = gallons you could realistically capture. For Hanover, that's your 14" times your roof.

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.

Your Free Printable Garden Planner

Plan every bed, every planting, every harvest — in one place. This 22-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.

Instant PDF download. No spam, unsubscribe any time.

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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

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

Show all 95 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant 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 Jul 10 Jun 12 – Aug 14 30–50
Asparagus May 22 730–1095
Beets May 1 Jul 10 Jun 26 – Jul 24 50–70
Belgian Endive Mar 27 May 1 May 8 Jul 10 Aug 28 – Oct 2 110–150
Black Beans May 22 Aug 21 – Oct 9 90–120
Bok Choy Mar 27 May 1 May 8 Jul 10 Jun 19 – Jul 24 40–60
Broccoli Mar 27 May 1 May 8 Jul 10 Jul 10 – Aug 21 60–90
Broccoli Rabe Mar 27 May 1 May 8 Jul 10 Jun 19 – Jul 24 40–60
Brussels Sprouts Mar 27 May 1 May 8 Jul 10 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 Jul 10 – Sep 4 60–100
Carrots May 1 Jul 10 Jul 3 – Aug 7 60–80
Cauliflower Mar 27 May 1 May 8 Jul 10 Jul 3 – Sep 4 55–100
Celeriac Mar 27 May 1 May 8 Jul 10 Aug 21 – Sep 25 100–120
Celery Mar 27 May 1 May 8 Jul 10 Jul 31 – Sep 25 80–120
Celtuce Mar 27 May 1 May 8 Jul 10 Jul 10 – Aug 21 60–90
Chard Mar 27 May 1 May 8 Jul 10 Jul 3 – Aug 21 50–60
Chickpeas Mar 27 May 1 May 8 Jul 10 Jul 31 – Sep 11 80–110
Chicory Mar 27 May 1 May 8 Jul 10 Jul 10 – Aug 21 60–85
Chinese Cabbage Mar 27 May 1 May 8 Jul 10 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 10 Jul 3 – Sep 4 55–75
Corn May 22 Jul 24 – Sep 18 60–100
Cress Mar 27 May 1 May 8 Jul 10 May 22 – Jun 12 14–21
Crookneck Squash Mar 27 May 22 May 29 Jul 17 – Aug 14 45–60
Crosne May 1 Jul 10 Oct 2 – Sep 25 150–200
Cucumber Mar 27 May 22 May 29 Jul 24 – Sep 18 50–70
Daikon May 1 Jul 10 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 Jul 10 Jun 26 – Jul 31 45–65
Escarole Mar 27 May 1 May 8 Jul 10 Jul 3 – Jul 31 50–70
Fava Beans Mar 27 May 1 May 8 Jul 10 Jul 24 – Sep 4 75–100
Fennel Mar 6 May 22 May 29 Jul 31 – Sep 11 60–90
Garlic Aug 21 Nov 20 – Jan 15 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 Jul 10 Jun 26 – Jul 24 45–60
Kale Mar 27 May 1 May 8 Jul 10 Jul 3 – Aug 28 50–70
Kidney Beans May 22 Aug 21 – Sep 25 85–110
Kohlrabi Mar 27 May 1 May 8 Jul 10 Jun 26 – Jul 31 45–65
Komatsuna Mar 27 May 1 May 8 Jul 10 Jun 12 – Jul 17 35–50
Leeks Mar 27 May 1 May 8 Jul 10 Aug 7 – Oct 2 90–150
Lentils Mar 27 May 1 May 8 Jul 10 Jul 31 – Sep 11 80–110
Lettuce Mar 27 May 1 May 8 Jul 10 Jun 12 – Aug 21 30–60
Lima Beans May 22 Jul 24 – Sep 4 60–90
Mache Mar 27 May 1 May 8 Jul 10 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 Jul 10 May 15 – Jun 12 7–21
Mitsuba Mar 27 May 1 May 1 Jul 10 Jun 26 – Aug 21 50–70
Mizuna Mar 27 May 1 May 8 Jul 10 Jun 12 – Jul 10 30–45
Mustard Greens Mar 27 May 1 May 8 Jul 10 Jun 12 – Aug 14 30–50
Napa Cabbage Mar 27 May 1 May 8 Jul 10 Jul 3 – Aug 7 55–75
Onion Mar 27 May 1 May 8 Jul 10 Aug 7 – Sep 25 90–120
Pac Choi Mar 27 May 1 May 8 Jul 10 Jun 19 – Jul 17 40–55
Parsnip May 1 Jul 10 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 10 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 Jul 10 Jun 19 – Jul 24 40–60
Radicchio Mar 27 May 1 May 8 Jul 10 Jul 10 – Aug 14 60–80
Radish May 1 Jul 10 May 29 – Jun 19 22–35
Rhubarb Jun 5 365–730
Romanesco Mar 27 May 1 May 8 Jul 10 Jul 24 – Sep 4 75–100
Rutabaga May 1 Jul 10 Jul 24 – Aug 28 80–100
Salsify May 1 Jul 10 Aug 14 – Sep 25 100–130
Savoy Cabbage Mar 27 May 1 May 8 Jul 10 Jul 17 – Sep 11 70–110
Scallions Mar 27 May 1 May 8 Jul 10 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 Jul 10 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 10 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 Jul 10 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
Sweet Corn May 22 Jul 24 – Sep 4 60–90
Tatsoi Mar 27 May 1 May 8 Jul 10 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 Jul 10 Jun 12 – Jul 17 40–60
Watercress Mar 27 May 1 May 8 Jul 10 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 Fall Plant 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

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

Show all 30 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 27 May 1 May 1 Jul 10 365–730
Anise Mar 27 May 1 May 1 Jul 10 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 Jul 10 Jun 26 – Aug 14 50–60
Caraway Mar 27 May 1 May 1 Jul 10 365–450
Catnip May 15 Jul 17 – Sep 18 60–80
Chamomile Mar 27 May 1 May 1 Jul 10 Jul 3 – Sep 11 60–90
Chervil Mar 27 May 1 May 1 Jul 10 Jun 12 – Aug 14 40–60
Chives May 15 Jul 17 – Sep 25 60–90
Cilantro Mar 27 May 1 May 1 Jul 10 Jun 12 – Aug 14 40–60
Comfrey May 15 Jul 17 – Sep 25 60–90
Dill Mar 27 May 1 May 1 Jul 10 Jun 12 – Aug 14 40–60
Fennel (herb) Mar 27 May 1 May 1 Jul 10 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 10 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 Jul 10 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

🌸 Flowers to Grow in Hanover

49 flowers that grow well in Zone 4b with planting dates for Hanover.

Show all 49 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 20 May 15 May 15 Jul 10 – Sep 25 60–75
Alliums Aug 21 Sep 25 – Oct 23 28–42
Astilbe Feb 27 May 22 Aug 14 – Oct 9 70–100
Bachelor's Button Mar 20 Apr 24 May 8 Jul 10 – Sep 11 60–90
Begonias Feb 20 May 15 Jul 24 – Oct 2 70–90
Black-eyed Susan Feb 27 May 8 May 22 Aug 14 – Oct 30 60–80
Bleeding Hearts Feb 27 May 22 Jul 17 – Aug 28 60–90
Calendula Mar 20 Apr 24 May 8 Jun 26 – Sep 11 50–70
Celosia Apr 3 May 22 May 22 Jul 24 – Oct 9 60–90
Columbine Feb 27 May 22 May 22 Jul 17 – Sep 4 70–100
Coreopsis Feb 27 May 15 May 22 Aug 7 – Oct 30 60–80
Cosmos Apr 10 May 15 May 15 Jul 24 – Oct 16 60–90
Crocus Aug 21 Jun 26 – Jul 24 10–20
Daffodils Aug 21 Jul 3 – Jul 31 20–40
Dahlias Apr 10 May 22 May 22 Aug 21 – Oct 30 70–120
Daylily Feb 27 May 22 Aug 21 – Oct 30 60–90
Dianthus Mar 6 Apr 17 May 1 Jun 19 – Aug 28 60–80
Echinacea (Purple Coneflower) Feb 27 May 22 May 22 Aug 21 – Oct 30 70–90
Foxglove Feb 27 May 22 May 22 Jul 17 – Aug 28 80–120
Gaillardia (Blanket Flower) Mar 13 May 22 May 22 Jul 31 – Nov 6 70–100
Geraniums Feb 20 May 15 Jul 24 – Oct 2 70–100
Gladiolus May 15 May 15 Aug 14 – Oct 23 70–100
Hostas Feb 20 May 22 Aug 21 – Oct 30 60–90
Hyacinths Aug 21 Jul 24 – Aug 14 14–28
Hydrangeas Feb 20 May 22 Aug 14 – Oct 16 90–150
Impatiens Mar 6 May 22 Aug 7 – Oct 9 60–75
Irises Division May 22 Jul 17 – Aug 21 60–100
Larkspur Apr 10 Jun 19 – Aug 7 60–90
Lilies Division May 22 Aug 14 – Oct 16 70–120
Lobelia Feb 27 May 8 Jul 3 – Sep 4 70–80
Lupine Feb 27 May 22 May 22 Jul 17 – Aug 28 75–100
Marigolds Mar 27 May 15 May 15 Jul 10 – Sep 25 50–70
Nasturtium Apr 10 May 15 May 15 Jul 10 – Oct 2 55–65
Pansy Feb 20 May 8 Jul 3 – Aug 21 70–90
Peonies Division May 22 Jul 31 – Sep 4 90–120
Petunia Mar 6 May 15 Jul 24 – Oct 9 70–90
Phlox Feb 27 May 22 May 22 Aug 14 – Oct 23 80–110
Portulaca Apr 3 May 22 May 22 Jul 10 – Sep 25 50–70
Roses Feb 20 May 22 Aug 14 – Oct 30 90–180
Salvia Mar 6 May 15 Jul 24 – Oct 2 70–90
Sedum (Stonecrop) Feb 27 May 22 Sep 25 – Nov 20 60–90
Snapdragon Feb 27 May 8 Jul 17 – Sep 11 70–100
Sunflower Apr 17 May 15 May 15 Aug 7 – Oct 9 70–100
Sweet Alyssum Mar 20 May 1 May 8 Jun 19 – Aug 21 45–60
Sweet Pea Mar 27 Apr 3 May 8 Jul 31 – Sep 18 65–85
Tulips Aug 21 Jul 17 – Aug 7 15–30
Vinca (Annual) Feb 20 May 22 Jul 31 – Oct 9 70–90
Yarrow Feb 27 May 8 May 22 Aug 7 – Oct 30 60–90
Zinnia Apr 10 May 15 May 15 Jul 24 – Oct 9 60–70
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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.

🌱

Your Hanover Garden Planner — Free

A 22-page printable planner built for Hanover (Zone 4b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

$27 $293 value

The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.

  • Proven pairings for 200+ vegetables, herbs, flowers, and fruits
  • Full seed-starting + planting schedule with timing and spacing
  • Bonus: square-foot gardening guide + printable seasonal planners
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Seed Saving & Storage Guide

Seed Saving & Storage Guide

$27 $157 value

Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.

  • 200 plants, step-by-step: life cycle, pollination type, isolation
  • Exact temperature + humidity ranges that keep seeds viable
  • Bonus: searchable Google Sheets tracker + custom GPT assistant
Save a lifetime of seed money →
Composting Guide for Homesteaders

Composting Guide for Homesteaders

$27 $210 value

Turn kitchen scraps and yard waste into compost that actually feeds the garden — instead of a pile that smells, attracts pests, and never breaks down.

  • 14 sections on composting methods, soil science, and troubleshooting
  • The 7-step hot-compost system from start to finish
  • Bonus tools: troubleshooting chart, safety guide, monitoring log
Start composting today →

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: June 2026.

Sources & credits

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