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Lenawee County, MI — Planting Guide

Lenawee County is in USDA Zone 6a. The average last spring frost is April 29 and the first fall frost is October 14, giving you a growing season of approximately 168 days.

At an elevation of 1,335 ft, Lenawee County receives approximately 31.3 in of rainfall annually. Summer highs average 87°F with winter lows around 11°F. The predominant soil type is Silt Loam.

🌡️ Zone

6a (-10°F to -5°F min)

❄️ Last Frost

April 29

🍂 First Frost

October 14

📅 Growing Season

168 days

⛰️ Elevation

1,335 ft

🌧️ Annual Rainfall

31.3 in

Lenawee County, MI Moderate season
168 days
Last Spring Frost April 29
168 growing days
First Fall Frost October 14

Lenawee County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Zone 6a Frost Countdown
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Last Frost: Apr 29 First Frost: Oct 14

Soil & Growing Conditions in Lenawee County

Soil Type

Silt Loam

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

Watering Needs

Moderate rainfall (31.3 in.) — plan to water 1–2 times per week during the growing season.

Season Tips

168-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

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Soil Test Kit $12-25

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

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Digital pH Meter $10-20

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

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Organic Compost $8-30

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

🥬 Vegetables to Grow in Lenawee County

107 vegetables that grow well in Zone 6a with planting dates for Lenawee County.

Show all 107 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Mar 25 May 6 May 13 Aug 5 – Sep 9 80–100
Amaranth Mar 4 May 6 May 13 Aug 12 – Sep 30 90–120
Arugula Mar 25 Apr 15 Apr 29 Aug 5 Jun 3 – Aug 5 30–50
Asparagus May 13 730–1095
Beets Apr 15 Aug 5 Jun 10 – Jul 8 50–70
Belgian Endive Mar 25 Apr 15 Apr 29 Aug 5 Aug 19 – Oct 14 110–150
Bitter Melon Mar 4 May 6 May 13 Jul 15 – Aug 26 60–90
Black Beans May 6 Aug 5 – Sep 23 90–120
Bok Choy Mar 25 Apr 15 Apr 29 Aug 5 Jun 10 – Jul 15 40–60
Broccoli Mar 25 Apr 15 Apr 29 Aug 5 Jul 1 – Aug 12 60–90
Broccoli Rabe Mar 25 Apr 15 Apr 29 Aug 5 Jun 10 – Jul 15 40–60
Brussels Sprouts Mar 25 Apr 15 Apr 29 Aug 5 Jul 29 – Sep 23 90–130
Butternut Squash Mar 25 May 6 May 13 Aug 12 – Sep 16 85–110
Cabbage Mar 25 Apr 15 Apr 29 Aug 5 Jul 1 – Aug 26 60–100
Calabash Mar 4 May 6 May 13 Aug 5 – Sep 30 80–120
Carrots Apr 15 Aug 5 Jun 17 – Jul 22 60–80
Cauliflower Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Aug 26 55–100
Celeriac Mar 25 Apr 15 Apr 29 Aug 5 Aug 12 – Sep 16 100–120
Celery Mar 25 Apr 15 Apr 29 Aug 5 Jul 22 – Sep 16 80–120
Celtuce Mar 25 Apr 15 Apr 29 Aug 5 Jul 1 – Aug 12 60–90
Chard Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Aug 12 50–60
Chickpeas Mar 25 Apr 15 Apr 29 Aug 5 Jul 22 – Sep 2 80–110
Chicory Mar 25 Apr 15 Apr 29 Aug 5 Jul 1 – Aug 12 60–85
Chinese Cabbage Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Jul 22 50–70
Christmas Lima Beans Mar 4 May 6 May 13 Aug 5 – Sep 9 80–100
Collard Greens Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Aug 26 55–75
Corn May 6 Jul 8 – Sep 2 60–100
Cowpeas May 6 Jul 8 – Aug 19 60–90
Cress Mar 25 Apr 15 Apr 29 Aug 5 May 13 – Jun 3 14–21
Crookneck Squash Mar 25 May 6 May 13 Jul 1 – Jul 29 45–60
Crosne Apr 15 Aug 5 Sep 16 – Oct 28 150–200
Cucumber Mar 25 May 6 May 13 Jul 8 – Sep 2 50–70
Daikon Apr 15 Aug 5 Jun 10 – Jul 8 50–70
Delicata Squash Mar 25 May 6 May 13 Aug 5 – Sep 9 80–100
Edamame May 6 Jul 22 – Sep 2 75–100
Eggplant Feb 18 May 6 May 13 Jul 22 – Sep 23 65–85
Endive Mar 25 Apr 15 Apr 29 Aug 5 Jun 17 – Jul 22 45–65
Escarole Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Jul 22 50–70
Fava Beans Mar 25 Apr 15 Apr 29 Aug 5 Jul 15 – Aug 26 75–100
Fennel Mar 4 May 6 May 13 Jul 15 – Aug 26 60–90
Garlic Sep 2 Dec 2 – Mar 17 90–240
Green Beans May 6 Jul 1 – Aug 26 50–65
Horseradish May 13 Sep 16 – Nov 25 120–180
Hot Peppers Feb 18 May 6 May 13 Jul 22 – Oct 28 70–120
Hubbard Squash Mar 25 May 6 May 13 Aug 26 – Sep 30 100–120
Kabocha Mar 25 May 6 May 13 Aug 12 – Sep 9 85–100
Kai Lan Mar 25 Apr 15 Apr 29 Aug 5 Jun 17 – Jul 15 45–60
Kale Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Aug 19 50–70
Kidney Beans May 6 Aug 5 – Sep 9 85–110
Kohlrabi Mar 25 Apr 15 Apr 29 Aug 5 Jun 17 – Jul 22 45–65
Komatsuna Mar 25 Apr 15 Apr 29 Aug 5 Jun 3 – Jul 8 35–50
Leeks Mar 25 Apr 15 Apr 29 Aug 5 Jul 29 – Oct 14 90–150
Lentils Mar 25 Apr 15 Apr 29 Aug 5 Jul 22 – Sep 2 80–110
Lettuce Mar 25 Apr 15 Apr 29 Aug 5 Jun 3 – Aug 12 30–60
Lima Beans May 6 Jul 8 – Aug 19 60–90
Loofah Mar 4 May 6 May 13 Aug 26 – Oct 28 100–150
Luffa Mar 4 May 6 May 13 Aug 12 – Oct 28 90–150
Mache Mar 25 Apr 15 Apr 29 Aug 5 Jun 10 – Jul 15 40–60
Melon Mar 25 May 6 May 13 Jul 22 – Sep 9 70–100
Microgreens Mar 25 Apr 15 Apr 29 Aug 5 May 6 – Jun 3 7–21
Mitsuba Mar 25 Apr 15 Apr 22 Aug 5 Jun 17 – Aug 12 50–70
Mizuna Mar 25 Apr 15 Apr 29 Aug 5 Jun 3 – Jul 1 30–45
Mustard Greens Mar 25 Apr 15 Apr 29 Aug 5 Jun 3 – Aug 5 30–50
Napa Cabbage Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Jul 29 55–75
New Zealand Spinach Mar 4 May 6 May 13 Jul 8 – Aug 5 55–70
Okra Mar 4 May 6 May 13 Jul 8 – Sep 2 50–65
Onion Mar 25 Apr 15 Apr 29 Aug 5 Jul 29 – Sep 16 90–120
Pac Choi Mar 25 Apr 15 Apr 29 Aug 5 Jun 10 – Jul 8 40–55
Parsnip Apr 15 Aug 5 Jul 29 – Sep 9 100–130
Patty Pan Squash Mar 25 May 6 May 13 Jul 1 – Jul 29 45–60
Peas Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Aug 19 55–70
Peppers Feb 18 May 6 May 13 Jul 15 – Sep 23 60–90
Pole Beans Mar 4 May 6 May 13 Jul 8 – Sep 2 55–70
Potatoes Mar 4 May 6 May 13 Jul 22 – Sep 30 70–120
Pumpkin Mar 25 May 6 May 13 Aug 12 – Sep 30 85–120
Purslane Mar 25 Apr 15 Apr 29 Aug 5 Jun 10 – Jul 15 40–60
Radicchio Mar 25 Apr 15 Apr 29 Aug 5 Jul 1 – Aug 5 60–80
Radish Apr 15 Aug 5 May 13 – Jun 3 22–35
Rhubarb May 20 365–730
Romanesco Mar 25 Apr 15 Apr 29 Aug 5 Jul 15 – Aug 26 75–100
Rutabaga Apr 15 Aug 5 Jul 8 – Aug 12 80–100
Salsify Apr 15 Aug 5 Jul 29 – Sep 9 100–130
Savoy Cabbage Mar 25 Apr 15 Apr 29 Aug 5 Jul 8 – Sep 2 70–110
Scallions Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Jul 22 50–70
Scarlet Runner Beans Mar 4 May 6 May 13 Jul 15 – Aug 19 60–80
Shallot Mar 25 Apr 15 Apr 29 Aug 5 Jul 29 – Sep 16 90–120
Shiso Mar 11 May 6 May 13 Jul 8 – Sep 2 50–70
Snap Peas Mar 4 May 6 May 13 Jul 8 – Sep 2 55–70
Snow Peas Mar 25 Apr 15 Apr 29 Aug 5 Jun 24 – Aug 19 50–65
Soybeans May 6 Jul 29 – Sep 23 80–120
Spaghetti Squash Mar 25 May 6 May 13 Aug 12 – Sep 9 85–100
Spinach Mar 25 Apr 15 Apr 29 Aug 5 Jun 3 – Aug 5 35–50
Squash (Summer) Mar 25 May 6 May 13 Jul 1 – Sep 2 45–65
Squash (Winter) Mar 25 May 6 May 13 Aug 5 – Sep 30 80–120
Sunchoke May 13 Sep 2 – Oct 28 110–150
Sweet Corn May 6 Jul 8 – Aug 19 60–90
Sweet Potatoes Mar 4 May 6 May 13 Aug 12 – Sep 30 90–120
Tatsoi Mar 25 Apr 15 Apr 29 Aug 5 Jun 3 – Jul 8 35–50
Tomatillo Mar 4 May 6 May 13 Jul 15 – Sep 23 60–85
Tomatoes Mar 4 May 6 May 13 Jul 15 – Sep 23 60–85
Turnip Apr 15 Aug 5 May 27 – Jul 1 40–60
Watercress Mar 25 Apr 15 Apr 29 Aug 5 Jun 10 – Jul 15 40–60
Watermelon Mar 25 May 6 May 13 Jul 22 – Sep 9 70–100
Wax Beans May 6 Jul 1 – Aug 26 50–65
Winter Melon Mar 4 May 6 May 13 Aug 12 – Sep 30 90–120
Yard Long Beans Mar 4 May 6 May 13 Jul 8 – Aug 19 55–80
Zucchini Mar 25 May 6 May 13 Jul 1 – Aug 26 45–60

🍓 Fruits to Grow in Lenawee County

27 fruits that grow well in Zone 6a with planting dates for Lenawee County.

Show all 27 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries May 20 Aug 19 – Dec 2 90–180
Aronia May 20 730–1095
Blackberries May 20 365–730
Blueberries May 20 730–1095
Boysenberries May 20 365–730
Cantaloupe May 20 Jul 29 – Sep 2 70–90
Che Fruit May 20 1095–1825
Cranberries May 20 730–1095
Currants May 20 730–1095
Elderberries May 20 730–1095
Goji Berries May 20 730–1095
Gooseberries May 20 730–1095
Grapes May 20 730–1095
Ground Cherry May 20 Jul 29 – Sep 23 65–80
Hardy Kiwi May 20 1095–1825
Haskaps May 20 730–1095
Honeydew May 20 Aug 12 – Sep 23 80–110
Jostaberry May 20 730–1095
Lingonberries May 20 730–1095
Medlar May 20 1095–1825
Mulberries May 20 730–1825
Pawpaw May 20 1095–2555
Persimmon May 20 1095–2555
Quince May 20 1095–1825
Raspberries May 20 365–730
Serviceberries May 20 730–1095
Strawberries May 20 Aug 19 – Dec 2 90–365

🌿 Herbs to Grow in Lenawee County

35 herbs that grow well in Zone 6a with planting dates for Lenawee County.

Show all 35 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 25 Apr 15 Apr 22 Aug 5 365–730
Anise Mar 25 Apr 15 Apr 22 Aug 5 Jul 22 – Oct 7 90–120
Basil Mar 11 May 6 May 13 Jul 8 – Sep 9 50–75
Bee Balm May 6 Aug 5 – Oct 21 90–120
Borage Mar 25 Apr 15 Apr 22 Aug 5 Jun 17 – Aug 5 50–60
Caraway Mar 25 Apr 15 Apr 22 Aug 5 365–450
Catnip May 6 Jul 8 – Sep 9 60–80
Chamomile Mar 25 Apr 15 Apr 22 Aug 5 Jun 24 – Sep 2 60–90
Chervil Mar 25 Apr 15 Apr 22 Aug 5 Jun 3 – Aug 5 40–60
Chives May 6 Jul 8 – Sep 16 60–90
Cilantro Mar 25 Apr 15 Apr 22 Aug 5 Jun 3 – Aug 5 40–60
Comfrey May 6 Jul 8 – Sep 16 60–90
Cumin Mar 25 Apr 15 Apr 22 Aug 5 Aug 5 – Oct 7 100–120
Dill Mar 25 Apr 15 Apr 22 Aug 5 Jun 3 – Aug 5 40–60
Epazote Mar 11 May 6 May 13 Jul 1 – Aug 26 45–60
Fennel (herb) Mar 25 Apr 15 Apr 22 Aug 5 Jun 24 – Sep 2 60–90
Feverfew May 6 Aug 5 – Oct 21 90–120
Garlic Chives May 6 Jul 8 – Sep 16 60–90
Horehound May 6 Jul 22 – Sep 16 75–90
Hyssop May 6 Jul 15 – Sep 16 70–90
Lemon Balm May 6 Jul 8 – Aug 26 60–70
Lemon Thyme May 6 Jul 15 – Sep 16 70–90
Lovage May 6 Jul 15 – Sep 16 70–90
Marjoram May 6 Jul 8 – Sep 16 60–90
Mint May 6 Jul 8 – Sep 16 60–90
Oregano May 6 Jul 8 – Sep 16 60–90
Parsley Mar 25 Apr 15 Apr 22 Aug 5 Jun 24 – Aug 26 60–80
Rue May 6 Jul 15 – Sep 16 70–90
Sage May 6 Jul 22 – Sep 16 75–90
Savory May 6 Jul 1 – Aug 26 50–70
Sorrel Mar 25 Apr 15 Apr 22 Aug 5 Jun 3 – Aug 5 40–60
Tarragon May 6 Jul 8 – Sep 16 60–90
Thai Basil Mar 11 May 6 May 13 Jul 8 – Sep 9 50–75
Thyme May 6 Jul 15 – Sep 16 70–90
Valerian May 6 Sep 9 – Nov 18 120–180

🌸 Flowers to Grow in Lenawee County

53 flowers that grow well in Zone 6a with planting dates for Lenawee County.

Show all 53 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 11 Apr 29 Apr 29 Jun 24 – Sep 30 60–75
Alliums Sep 2 Sep 30 – Oct 28 28–42
Anemones Apr 1 Apr 29 Jun 3 – Jul 1 90–120
Astilbe Feb 25 May 6 Jul 15 – Sep 23 70–100
Bachelor's Button Mar 18 Apr 1 Apr 29 Sep 2 Jul 1 – Sep 16 60–90
Begonias Feb 18 May 6 Jul 15 – Oct 14 70–90
Black-eyed Susan Feb 25 Apr 29 May 6 Jul 22 – Nov 4 60–80
Bleeding Hearts Feb 25 May 6 Jul 1 – Aug 5 60–90
Calendula Mar 18 Apr 1 Apr 29 Jun 17 – Sep 16 50–70
California Poppy Apr 1 Jun 10 – Jul 22 60–90
Celosia Mar 25 May 6 May 6 Jul 8 – Oct 21 60–90
Columbine Feb 25 May 13 May 13 Jul 8 – Aug 12 70–100
Coreopsis Feb 25 May 6 May 6 Jul 15 – Nov 4 60–80
Cosmos Apr 1 Apr 29 Apr 29 Jul 8 – Oct 14 60–90
Crocus Sep 2 Jul 22 – Aug 12 10–20
Daffodils Sep 2 Jul 29 – Aug 19 20–40
Dahlias Apr 1 May 6 May 6 Jul 22 – Nov 4 70–120
Daylily Feb 25 May 6 Jul 22 – Nov 4 60–90
Dianthus Mar 4 Apr 1 Apr 15 Jun 3 – Sep 2 60–80
Echinacea (Purple Coneflower) Feb 25 May 13 May 13 Aug 5 – Nov 11 70–90
Foxglove Feb 25 May 6 May 6 Jul 1 – Aug 5 80–120
Gaillardia (Blanket Flower) Mar 11 May 6 May 6 Jul 15 – Nov 18 70–100
Geraniums Feb 18 May 6 Jul 15 – Oct 14 70–100
Gladiolus Apr 29 Apr 29 Jul 15 – Oct 28 70–100
Hostas Feb 18 May 6 Jul 22 – Nov 4 60–90
Hyacinths Sep 2 Aug 19 – Sep 9 14–28
Hydrangeas Feb 18 May 6 Jul 15 – Oct 21 90–150
Impatiens Mar 4 May 6 Jul 15 – Oct 21 60–75
Irises Division May 6 Jul 1 – Jul 29 60–100
Larkspur Apr 1 Jun 10 – Aug 5 60–90
Lavender Feb 18 May 13 Jul 22 – Sep 16 90–120
Lilies Division May 6 Jul 15 – Oct 21 70–120
Lobelia Feb 25 Apr 15 Jun 10 – Sep 2 70–80
Lupine Feb 25 May 6 May 6 Jul 1 – Aug 5 75–100
Marigolds Mar 18 May 6 May 6 Jul 1 – Sep 30 50–70
Nasturtium Apr 1 May 6 May 6 Jul 1 – Oct 21 55–65
Pansy Feb 18 Apr 29 Aug 19 Jun 24 – Aug 26 70–90
Peonies Division May 6 Jul 8 – Aug 12 90–120
Petunia Mar 4 May 6 Jul 15 – Oct 21 70–90
Phlox Feb 25 May 6 May 6 Jul 15 – Oct 7 80–110
Portulaca Mar 25 May 6 May 6 Jun 24 – Oct 7 50–70
Ranunculus Mar 18 Apr 29 Jun 10 – Jul 8 90–120
Roses Feb 18 May 6 Jul 15 – Nov 4 90–180
Salvia Feb 25 May 6 Jul 15 – Oct 21 70–90
Sedum (Stonecrop) Feb 25 May 6 Aug 26 – Nov 11 60–90
Snapdragon Feb 18 Apr 8 Apr 29 Jul 8 – Sep 16 70–100
Sunflower Apr 8 May 6 May 6 Jul 29 – Oct 21 70–100
Sweet Alyssum Mar 11 Apr 8 Apr 29 Jun 10 – Aug 19 45–60
Sweet Pea Mar 18 Mar 25 Apr 29 Jul 15 – Sep 23 65–85
Tulips Sep 2 Aug 12 – Sep 9 15–30
Vinca (Annual) Feb 18 May 6 Jul 15 – Oct 21 70–90
Yarrow Feb 25 Apr 29 May 6 Jul 15 – Nov 4 60–90
Zinnia Apr 1 May 6 May 6 Jul 15 – Oct 21 60–70

Monthly Planting Guide for Lenawee County

Gardening Guides & Resources

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

Frequently Asked Questions

What planting zone is Lenawee County, MI?

Lenawee County is in USDA Hardiness Zone 6a. 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 Lenawee County, MI?

Based on 30 years of NOAA weather station data, the median last spring frost in Lenawee County falls around April 29. Plan transplants and direct-sow dates relative to this date.

When is the first fall frost in Lenawee County, MI?

The median first fall frost in Lenawee County arrives around October 14. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

🌱

Your Lenawee County Garden Planner — Free

A 22-page printable planner built for Lenawee County (Zone 6a). 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 pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.

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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: July 2026.

Sources & credits

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