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Le Sueur County, MN — Planting Guide

Le Sueur County is in USDA Zone 4b. The average last spring frost is April 30 and the first fall frost is October 3, giving you a growing season of approximately 156 days.

At an elevation of 628 ft, Le Sueur County receives approximately 41.9 in of rainfall annually. Summer highs average 83°F with winter lows around 4°F. The predominant soil type is Silt Loam.

🌡️ Zone

4b (-25°F to -20°F min)

❄️ Last Frost

April 30

🍂 First Frost

October 3

📅 Growing Season

156 days

⛰️ Elevation

628 ft

🌧️ Annual Rainfall

41.9 in

Le Sueur County, MN Moderate season
156 days
❄
Last Spring Frost April 30
➔ 156 growing days ➔
❄
First Fall Frost October 3

Le Sueur County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Zone 4b Frost Countdown
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Last Frost: Apr 30 First Frost: Oct 3

Soil & Growing Conditions in Le Sueur County

Soil Type

Silt Loam

Ideal for most crops — holds moisture and nutrients while draining well.

Watering Needs

Moderate rainfall (41.9 in.) — plan to water 1–2 times per week during the growing season.

Season Tips

156-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.

Recommended for Your Garden

🧪
Soil Test Kit $12-25

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

Know your soil before you plant for best results.

📏
Digital pH Meter $10-20

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

Helpful for your garden setup.

🍂
Organic Compost $8-30

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

Helpful for your garden setup.

🥬 Vegetables to Grow in Le Sueur County

95 vegetables that grow well in Zone 4b with planting dates for Le Sueur County.

Show all 95 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Mar 19 May 14 May 21 — Aug 13 – Sep 17 80–100
Amaranth Feb 26 May 14 May 21 — Aug 20 – Oct 8 90–120
Arugula Mar 19 Apr 23 Apr 30 Jul 11 Jun 4 – Aug 6 30–50
Asparagus — — May 14 — — 730–1095
Beets — Apr 23 — Jul 11 Jun 18 – Jul 16 50–70
Belgian Endive Mar 19 Apr 23 Apr 30 Jul 11 Aug 20 – Sep 24 110–150
Black Beans — May 14 — — Aug 13 – Oct 1 90–120
Bok Choy Mar 19 Apr 23 Apr 30 Jul 11 Jun 11 – Jul 16 40–60
Broccoli Mar 19 Apr 23 Apr 30 Jul 11 Jul 2 – Aug 13 60–90
Broccoli Rabe Mar 19 Apr 23 Apr 30 Jul 11 Jun 11 – Jul 16 40–60
Brussels Sprouts Mar 19 Apr 23 Apr 30 Jul 11 Jul 30 – Sep 24 90–130
Butternut Squash Mar 19 May 14 May 21 — Aug 20 – Sep 24 85–110
Cabbage Mar 19 Apr 23 Apr 30 Jul 11 Jul 2 – Aug 27 60–100
Carrots — Apr 23 — Jul 11 Jun 25 – Jul 30 60–80
Cauliflower Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Aug 27 55–100
Celeriac Mar 19 Apr 23 Apr 30 Jul 11 Aug 13 – Sep 17 100–120
Celery Mar 19 Apr 23 Apr 30 Jul 11 Jul 23 – Sep 17 80–120
Celtuce Mar 19 Apr 23 Apr 30 Jul 11 Jul 2 – Aug 13 60–90
Chard Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Aug 13 50–60
Chickpeas Mar 19 Apr 23 Apr 30 Jul 11 Jul 23 – Sep 3 80–110
Chicory Mar 19 Apr 23 Apr 30 Jul 11 Jul 2 – Aug 13 60–85
Chinese Cabbage Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Jul 23 50–70
Christmas Lima Beans Feb 26 May 14 May 21 — Aug 13 – Sep 17 80–100
Collard Greens Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Aug 27 55–75
Corn — May 14 — — Jul 16 – Sep 10 60–100
Cress Mar 19 Apr 23 Apr 30 Jul 11 May 14 – Jun 4 14–21
Crookneck Squash Mar 19 May 14 May 21 — Jul 9 – Aug 6 45–60
Crosne — Apr 23 — Jul 11 Sep 24 – Sep 17 150–200
Cucumber Mar 19 May 14 May 21 — Jul 16 – Sep 10 50–70
Daikon — Apr 23 — Jul 11 Jun 18 – Jul 16 50–70
Delicata Squash Mar 19 May 14 May 21 — Aug 13 – Sep 17 80–100
Edamame — May 14 — — Jul 30 – Sep 10 75–100
Endive Mar 19 Apr 23 Apr 30 Jul 11 Jun 18 – Jul 23 45–65
Escarole Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Jul 23 50–70
Fava Beans Mar 19 Apr 23 Apr 30 Jul 11 Jul 16 – Aug 27 75–100
Fennel Feb 26 May 14 May 21 — Jul 23 – Sep 3 60–90
Garlic — — — Aug 22 Nov 21 – Jan 16 90–240
Green Beans — May 14 — — Jul 9 – Sep 3 50–65
Horseradish — — May 14 — Sep 17 – Oct 8 120–180
Hubbard Squash Mar 19 May 14 May 21 — Sep 3 – Oct 8 100–120
Kabocha Mar 19 May 14 May 21 — Aug 20 – Sep 17 85–100
Kai Lan Mar 19 Apr 23 Apr 30 Jul 11 Jun 18 – Jul 16 45–60
Kale Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Aug 20 50–70
Kidney Beans — May 14 — — Aug 13 – Sep 17 85–110
Kohlrabi Mar 19 Apr 23 Apr 30 Jul 11 Jun 18 – Jul 23 45–65
Komatsuna Mar 19 Apr 23 Apr 30 Jul 11 Jun 4 – Jul 9 35–50
Leeks Mar 19 Apr 23 Apr 30 Jul 11 Jul 30 – Sep 24 90–150
Lentils Mar 19 Apr 23 Apr 30 Jul 11 Jul 23 – Sep 3 80–110
Lettuce Mar 19 Apr 23 Apr 30 Jul 11 Jun 4 – Aug 13 30–60
Lima Beans — May 14 — — Jul 16 – Aug 27 60–90
Mache Mar 19 Apr 23 Apr 30 Jul 11 Jun 11 – Jul 16 40–60
Melon Mar 19 May 14 May 21 — Jul 30 – Sep 17 70–100
Microgreens Mar 19 Apr 23 Apr 30 Jul 11 May 7 – Jun 4 7–21
Mitsuba Mar 19 Apr 23 Apr 23 Jul 11 Jun 18 – Aug 13 50–70
Mizuna Mar 19 Apr 23 Apr 30 Jul 11 Jun 4 – Jul 2 30–45
Mustard Greens Mar 19 Apr 23 Apr 30 Jul 11 Jun 4 – Aug 6 30–50
Napa Cabbage Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Jul 30 55–75
Onion Mar 19 Apr 23 Apr 30 Jul 11 Jul 30 – Sep 17 90–120
Pac Choi Mar 19 Apr 23 Apr 30 Jul 11 Jun 11 – Jul 9 40–55
Parsnip — Apr 23 — Jul 11 Aug 6 – Sep 17 100–130
Patty Pan Squash Mar 19 May 14 May 21 — Jul 9 – Aug 6 45–60
Peas Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Aug 20 55–70
Peppers Feb 12 May 14 May 21 — Jul 23 – Oct 1 60–90
Pole Beans Feb 26 May 14 May 21 — Jul 16 – Sep 10 55–70
Potatoes Feb 26 May 14 May 21 — Jul 30 – Oct 8 70–120
Pumpkin Mar 19 May 14 May 21 — Aug 20 – Oct 8 85–120
Purslane Mar 19 Apr 23 Apr 30 Jul 11 Jun 11 – Jul 16 40–60
Radicchio Mar 19 Apr 23 Apr 30 Jul 11 Jul 2 – Aug 6 60–80
Radish — Apr 23 — Jul 11 May 21 – Jun 11 22–35
Rhubarb — — May 28 — — 365–730
Romanesco Mar 19 Apr 23 Apr 30 Jul 11 Jul 16 – Aug 27 75–100
Rutabaga — Apr 23 — Jul 11 Jul 16 – Aug 20 80–100
Salsify — Apr 23 — Jul 11 Aug 6 – Sep 17 100–130
Savoy Cabbage Mar 19 Apr 23 Apr 30 Jul 11 Jul 9 – Sep 3 70–110
Scallions Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Jul 23 50–70
Scarlet Runner Beans Feb 26 May 14 May 21 — Jul 23 – Aug 27 60–80
Shallot Mar 19 Apr 23 Apr 30 Jul 11 Jul 30 – Sep 17 90–120
Shiso Mar 5 May 7 May 21 — Jul 16 – Sep 10 50–70
Snap Peas Feb 26 May 14 May 21 — Jul 16 – Sep 10 55–70
Snow Peas Mar 19 Apr 23 Apr 30 Jul 11 Jun 25 – Aug 20 50–65
Soybeans — May 14 — — Aug 6 – Oct 1 80–120
Spaghetti Squash Mar 19 May 14 May 21 — Aug 20 – Sep 17 85–100
Spinach Mar 19 Apr 23 Apr 30 Jul 11 Jun 4 – Aug 6 35–50
Squash (Summer) Mar 19 May 14 May 21 — Jul 9 – Sep 10 45–65
Squash (Winter) Mar 19 May 14 May 21 — Aug 13 – Oct 8 80–120
Sunchoke — — May 14 — Sep 3 – Oct 8 110–150
Sweet Corn — May 14 — — Jul 16 – Aug 27 60–90
Tatsoi Mar 19 Apr 23 Apr 30 Jul 11 Jun 4 – Jul 9 35–50
Tomatillo Feb 26 May 14 May 21 — Jul 23 – Oct 1 60–85
Tomatoes Feb 26 May 14 May 21 — Jul 23 – Oct 1 60–85
Turnip — Apr 23 — Jul 11 Jun 4 – Jul 9 40–60
Watercress Mar 19 Apr 23 Apr 30 Jul 11 Jun 11 – Jul 16 40–60
Watermelon Mar 19 May 14 May 21 — Jul 30 – Sep 17 70–100
Wax Beans — May 14 — — Jul 9 – Sep 3 50–65
Zucchini Mar 19 May 14 May 21 — Jul 9 – Sep 3 45–60

🍓 Fruits to Grow in Le Sueur County

22 fruits that grow well in Zone 4b with planting dates for Le Sueur County.

Show all 22 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries — — May 28 — Aug 27 – Oct 22 90–180
Aronia — — May 28 — — 730–1095
Blueberries — — May 28 — — 730–1095
Cantaloupe — — May 28 — Aug 6 – Sep 10 70–90
Cranberries — — May 28 — — 730–1095
Currants — — May 28 — — 730–1095
Elderberries — — May 28 — — 730–1095
Goji Berries — — May 28 — — 730–1095
Gooseberries — — May 28 — — 730–1095
Grapes — — May 28 — — 730–1095
Ground Cherry — — May 28 — Aug 6 – Oct 1 65–80
Hardy Kiwi — — May 28 — — 1095–1825
Haskaps — — May 28 — — 730–1095
Honeydew — — May 28 — Aug 20 – Oct 1 80–110
Jostaberry — — May 28 — — 730–1095
Lingonberries — — May 28 — — 730–1095
Medlar — — May 28 — — 1095–1825
Mulberries — — May 28 — — 730–1825
Persimmon — — May 28 — — 1095–2555
Raspberries — — May 28 — — 365–730
Serviceberries — — May 28 — — 730–1095
Strawberries — — May 28 — Aug 27 – Oct 22 90–365

🌿 Herbs to Grow in Le Sueur County

30 herbs that grow well in Zone 4b with planting dates for Le Sueur County.

Show all 30 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 19 Apr 23 Apr 23 Jul 11 — 365–730
Anise Mar 19 Apr 23 Apr 23 Jul 11 Jul 23 – Sep 17 90–120
Basil Mar 5 May 7 May 21 — Jul 16 – Sep 17 50–75
Bee Balm — — May 7 — Aug 6 – Oct 1 90–120
Borage Mar 19 Apr 23 Apr 23 Jul 11 Jun 18 – Aug 6 50–60
Caraway Mar 19 Apr 23 Apr 23 Jul 11 — 365–450
Catnip — — May 7 — Jul 9 – Sep 10 60–80
Chamomile Mar 19 Apr 23 Apr 23 Jul 11 Jun 25 – Sep 3 60–90
Chervil Mar 19 Apr 23 Apr 23 Jul 11 Jun 4 – Aug 6 40–60
Chives — — May 7 — Jul 9 – Sep 17 60–90
Cilantro Mar 19 Apr 23 Apr 23 Jul 11 Jun 4 – Aug 6 40–60
Comfrey — — May 7 — Jul 9 – Sep 17 60–90
Dill Mar 19 Apr 23 Apr 23 Jul 11 Jun 4 – Aug 6 40–60
Fennel (herb) Mar 19 Apr 23 Apr 23 Jul 11 Jun 25 – Sep 3 60–90
Garlic Chives — — May 7 — Jul 9 – Sep 17 60–90
Horehound — — May 7 — Jul 23 – Sep 17 75–90
Hyssop — — May 7 — Jul 16 – Sep 17 70–90
Lemon Balm — — May 7 — Jul 9 – Aug 27 60–70
Lovage — — May 7 — Jul 16 – Sep 17 70–90
Mint — — May 7 — Jul 9 – Sep 17 60–90
Oregano — — May 7 — Jul 9 – Sep 17 60–90
Parsley Mar 19 Apr 23 Apr 23 Jul 11 Jun 25 – Aug 27 60–80
Rue — — May 7 — Jul 16 – Sep 17 70–90
Sage — — May 7 — Jul 23 – Sep 17 75–90
Savory — — May 7 — Jul 2 – Aug 27 50–70
Sorrel Mar 19 Apr 23 Apr 23 Jul 11 Jun 4 – Aug 6 40–60
Tarragon — — May 7 — Jul 9 – Sep 17 60–90
Thai Basil Mar 5 May 7 May 21 — Jul 16 – Sep 17 50–75
Thyme — — May 7 — Jul 16 – Sep 17 70–90
Valerian — — May 7 — Sep 10 – Oct 1 120–180

🌸 Flowers to Grow in Le Sueur County

49 flowers that grow well in Zone 4b with planting dates for Le Sueur County.

Show all 49 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 12 May 7 May 7 — Jul 2 – Sep 17 60–75
Alliums — — — Aug 22 Sep 26 – Oct 24 28–42
Astilbe Feb 19 — May 14 — Aug 6 – Oct 1 70–100
Bachelor's Button Mar 12 Apr 16 Apr 30 — Jul 2 – Sep 3 60–90
Begonias Feb 12 — May 7 — Jul 16 – Sep 24 70–90
Black-eyed Susan Feb 19 Apr 30 May 14 — Aug 6 – Oct 22 60–80
Bleeding Hearts Feb 19 — May 14 — Jul 9 – Aug 20 60–90
Calendula Mar 12 Apr 16 Apr 30 — Jun 18 – Sep 3 50–70
Celosia Mar 26 May 14 May 14 — Jul 16 – Oct 1 60–90
Columbine Feb 19 May 14 May 14 — Jul 9 – Aug 27 70–100
Coreopsis Feb 19 May 7 May 14 — Jul 30 – Oct 22 60–80
Cosmos Apr 2 May 7 May 7 — Jul 16 – Oct 8 60–90
Crocus — — — Aug 22 Jun 27 – Jul 25 10–20
Daffodils — — — Aug 22 Jul 4 – Aug 1 20–40
Dahlias Apr 2 May 14 May 14 — Aug 13 – Oct 22 70–120
Daylily Feb 19 — May 14 — Aug 13 – Oct 22 60–90
Dianthus Feb 26 Apr 9 Apr 23 — Jun 11 – Aug 20 60–80
Echinacea (Purple Coneflower) Feb 19 May 14 May 14 — Aug 13 – Oct 22 70–90
Foxglove Feb 19 May 14 May 14 — Jul 9 – Aug 20 80–120
Gaillardia (Blanket Flower) Mar 5 May 14 May 14 — Jul 23 – Oct 29 70–100
Geraniums Feb 12 — May 7 — Jul 16 – Sep 24 70–100
Gladiolus — May 7 May 7 — Aug 6 – Oct 15 70–100
Hostas Feb 12 — May 14 — Aug 13 – Oct 22 60–90
Hyacinths — — — Aug 22 Jul 25 – Aug 15 14–28
Hydrangeas Feb 12 — May 14 — Aug 6 – Oct 8 90–150
Impatiens Feb 26 — May 14 — Jul 30 – Oct 1 60–75
Irises — Division May 14 — Jul 9 – Aug 13 60–100
Larkspur — Apr 2 — — Jun 11 – Jul 30 60–90
Lilies — Division May 14 — Aug 6 – Oct 8 70–120
Lobelia Feb 19 — Apr 30 — Jun 25 – Aug 27 70–80
Lupine Feb 19 May 14 May 14 — Jul 9 – Aug 20 75–100
Marigolds Mar 19 May 7 May 7 — Jul 2 – Sep 17 50–70
Nasturtium Apr 2 May 7 May 7 — Jul 2 – Sep 24 55–65
Pansy Feb 12 — Apr 30 — Jun 25 – Aug 13 70–90
Peonies — Division May 14 — Jul 23 – Aug 27 90–120
Petunia Feb 26 — May 7 — Jul 16 – Oct 1 70–90
Phlox Feb 19 May 14 May 14 — Aug 6 – Oct 15 80–110
Portulaca Mar 26 May 14 May 14 — Jul 2 – Sep 17 50–70
Roses Feb 12 — May 14 — Aug 6 – Oct 22 90–180
Salvia Feb 26 — May 7 — Jul 16 – Sep 24 70–90
Sedum (Stonecrop) Feb 19 — May 14 — Sep 17 – Nov 12 60–90
Snapdragon Feb 19 — Apr 30 — Jul 9 – Sep 3 70–100
Sunflower Apr 9 May 7 May 7 — Jul 30 – Oct 1 70–100
Sweet Alyssum Mar 12 Apr 23 Apr 30 — Jun 11 – Aug 13 45–60
Sweet Pea Mar 19 Mar 26 Apr 30 — Jul 23 – Sep 10 65–85
Tulips — — — Aug 22 Jul 18 – Aug 8 15–30
Vinca (Annual) Feb 12 — May 14 — Jul 23 – Oct 1 70–90
Yarrow Feb 19 Apr 30 May 14 — Jul 30 – Oct 22 60–90
Zinnia Apr 2 May 7 May 7 — Jul 16 – Oct 1 60–70

Monthly Planting Guide for Le Sueur County

Gardening Guides & Resources

Helpful guides from The Ultimate Homestead to improve your garden in Le Sueur County.

🌿
How to Grow Spinach Read guide →
🌿
How to Grow Peas Read guide →
🌿
How to Start Gardening for Beginners Read guide →
🌿
Best Companion Plants for Cucumbers Read guide →
🌿
Pepper Companion Plants Read guide →
🌿
Companion Plants for Tomatoes Read guide →

Frequently Asked Questions

What planting zone is Le Sueur County, MN?

Le Sueur County 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 Le Sueur County, MN?

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

When is the first fall frost in Le Sueur County, MN?

The median first fall frost in Le Sueur County arrives around October 3. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

🌱

Your Le Sueur County Garden Planner — Free

A 22-page printable planner built for Le Sueur County (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

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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
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Seed Saving & Storage Guide

Seed Saving & Storage Guide

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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.

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Composting Guide for Homesteaders

Composting Guide for Homesteaders

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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.

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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.

Plant varieties + growing data

Soil survey + temperature data

Drought monitoring

Household-consumption benchmarks

Derived

Other

Frost dates

Modeling

Precipitation + climate normals

Curated

Pest + disease pressure

Local extension offices

Daylight hours + sun data

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