Wisconsin Planting Calendar
Wisconsin spans USDA hardiness zones 3b, 4a, 4b, 5a, 5b. Planting dates vary significantly across the state depending on your zone. Find your county on the map below for exact frost dates and planting windows.
Find Your County
Click any county to see your local planting calendar with exact frost dates and planting windows.
Hover over a county to see details. Click to view planting guide.
Zones in Wisconsin
Zone 4a
Winter low: -30 to -25°F
145
Growing Days
May 6
Last Frost
Sep 28
First Frost
10
Counties
Zone 4b
Winter low: -25 to -20°F
155
Growing Days
May 1
Last Frost
Oct 3
First Frost
25
Counties
Zone 5a
Winter low: -20 to -15°F
166
Growing Days
Apr 25
Last Frost
Oct 8
First Frost
19
Counties
Zone 5b
Winter low: -15 to -10°F
178
Growing Days
Apr 18
Last Frost
Oct 13
First Frost
17
Counties
Zone 6a
Winter low: -10 to -5°F
193
Growing Days
Apr 10
Last Frost
Oct 20
First Frost
1
Counties
Growing Season Comparison
Growing Season by Zone
Zone 1a
Jun 15 – Aug 15
Zone 1b
Jun 7 – Aug 25
Zone 2a
May 30 – Sep 1
Zone 2b
May 22 – Sep 10
Zone 3a
May 15 – Sep 15
Zone 4a
May 6 – Sep 28
Zone 5a
Apr 25 – Oct 8
Zone 5b
Apr 18 – Oct 13
Zone 6a
Apr 10 – Oct 20
Zone 6b
Apr 3 – Oct 25
Zone 7a
Mar 25 – Nov 1
Zone 7b
Mar 18 – Nov 8
Zone 8a
Mar 8 – Nov 18
Zone 8b
Feb 25 – Nov 28
Zone 9a
Feb 10 – Dec 10
Zone 10a
Jan 1 – Dec 31
0
90
180
270
365 days
Frost Dates & Growing Season by County
View all 72 Wisconsin counties with frost dates
| County | Zone | Last Frost | First Frost | Growing Days |
|---|---|---|---|---|
| Adams County | 4b | May 6 | Oct 5 | 152 |
| Ashland County | 4a | May 20 | Sep 27 | 130 |
| Barron County | 4b | May 17 | Sep 25 | 131 |
| Bayfield County | 4b | May 14 | Oct 3 | 142 |
| Brown County | 5b | May 8 | Oct 6 | 151 |
| Buffalo County | 4b | May 12 | Sep 30 | 141 |
| Burnett County | 4a | May 15 | Sep 27 | 135 |
| Calumet County | 5b | Apr 30 | Oct 12 | 165 |
| Chippewa County | 4b | May 15 | Sep 28 | 136 |
| Clark County | 4b | May 13 | Sep 30 | 140 |
| Columbia County | 5a | May 3 | Oct 7 | 157 |
| Crawford County | 5a | Apr 27 | Oct 9 | 165 |
| Dane County | 5b | Apr 30 | Oct 9 | 162 |
| Dodge County | 5a | Apr 27 | Oct 11 | 167 |
| Door County | 5b | May 11 | Oct 8 | 150 |
| Douglas County | 4a | May 16 | Sep 28 | 135 |
| Dunn County | 4b | May 12 | Sep 29 | 140 |
| Eau Claire County | 4b | May 10 | Oct 3 | 146 |
| Florence County | 4b | May 26 | Sep 21 | 118 |
| Fond du Lac County | 5a | Apr 27 | Oct 14 | 170 |
| Forest County | 4b | May 20 | Sep 30 | 133 |
| Grant County | 5a | Apr 28 | Oct 8 | 163 |
| Green County | 5a | Apr 27 | Oct 11 | 167 |
| Green Lake County | 5a | Apr 27 | Oct 14 | 170 |
| Iowa County | 5a | May 3 | Oct 7 | 157 |
| Iron County | 4a | May 22 | Sep 25 | 126 |
| Jackson County | 4b | May 13 | Oct 2 | 142 |
| Jefferson County | 5b | Apr 27 | Oct 12 | 168 |
| Juneau County | 4b | May 5 | Oct 5 | 153 |
| Kenosha County | 5b | Apr 22 | Oct 16 | 177 |
| Kewaunee County | 5b | May 3 | Oct 11 | 161 |
| La Crosse County | 5a | May 4 | Oct 5 | 154 |
| Lafayette County | 5a | Apr 28 | Oct 9 | 164 |
| Langlade County | 4b | May 16 | Sep 30 | 137 |
| Lincoln County | 4b | May 19 | Sep 28 | 132 |
| Manitowoc County | 5b | Apr 30 | Oct 12 | 165 |
| Marathon County | 4b | May 11 | Oct 2 | 144 |
| Marinette County | 4b | May 18 | Oct 1 | 136 |
| Marquette County | 5a | May 3 | Oct 7 | 157 |
| Menominee County | 5a | May 9 | Oct 4 | 148 |
| Milwaukee County | 6a | Apr 27 | Oct 11 | 167 |
| Monroe County | 4b | May 9 | Oct 3 | 147 |
| Oconto County | 5a | May 9 | Oct 4 | 148 |
| Oneida County | 4b | May 20 | Sep 28 | 131 |
| Outagamie County | 5b | May 8 | Oct 5 | 150 |
| Ozaukee County | 5b | Apr 27 | Oct 11 | 167 |
| Pepin County | 4b | May 2 | Oct 7 | 158 |
| Pierce County | 4b | Apr 28 | Oct 8 | 163 |
| Polk County | 4b | May 12 | Sep 29 | 140 |
| Portage County | 4b | May 5 | Oct 6 | 154 |
| Price County | 4a | May 17 | Sep 29 | 135 |
| Racine County | 5b | Apr 24 | Oct 13 | 172 |
| Richland County | 5a | May 5 | Oct 5 | 153 |
| Rock County | 5b | Apr 26 | Oct 13 | 170 |
| Rusk County | 4a | May 16 | Sep 28 | 135 |
| Sauk County | 5a | May 3 | Oct 7 | 157 |
| Sawyer County | 4a | May 17 | Sep 25 | 131 |
| Shawano County | 5a | May 8 | Oct 5 | 150 |
| Sheboygan County | 5b | Apr 27 | Oct 17 | 173 |
| St. Croix County | 4b | Apr 28 | Oct 9 | 164 |
| Taylor County | 4a | May 16 | Sep 29 | 136 |
| Trempealeau County | 4b | May 15 | Sep 30 | 138 |
| Vernon County | 5a | Apr 28 | Oct 9 | 164 |
| Vilas County | 4a | May 21 | Sep 29 | 131 |
| Walworth County | 5b | Apr 26 | Oct 13 | 170 |
| Washburn County | 4a | May 17 | Sep 25 | 131 |
| Washington County | 5b | Apr 27 | Oct 11 | 167 |
| Waukesha County | 5b | Apr 27 | Oct 12 | 168 |
| Waupaca County | 5a | May 8 | Oct 5 | 150 |
| Waushara County | 5a | Apr 30 | Oct 9 | 162 |
| Winnebago County | 5b | Apr 30 | Oct 12 | 165 |
| Wood County | 4b | May 9 | Oct 3 | 147 |
🥬 Vegetables
Browse all 115 vegetables you can grow in Wisconsin
- Acorn Squash
- Amaranth
- Artichoke
- Arugula
- Asparagus
- Beets
- Belgian Endive
- Bitter Melon
- Black Beans
- Bok Choy
- Broccoli
- Broccoli Rabe
- Brussels Sprouts
- Butternut Squash
- Cabbage
- Calabash
- Cardoon
- Carrots
- Cauliflower
- Celeriac
- Celery
- Celtuce
- Chard
- Chayote
- Chickpeas
- Chicory
- Chinese Cabbage
- Christmas Lima Beans
- Collard Greens
- Corn
- Cowpeas
- Cress
- Crookneck Squash
- Crosne
- Cucumber
- Daikon
- Delicata Squash
- Edamame
- Eggplant
- Endive
- Escarole
- Fava Beans
- Fennel
- Garlic
- Ginger
- Green Beans
- Horseradish
- Hot Peppers
- Hubbard Squash
- Jicama
- Kabocha
- Kai Lan
- Kale
- Kidney Beans
- Kohlrabi
- Komatsuna
- Leeks
- Lentils
- Lettuce
- Lima Beans
- Loofah
- Luffa
- Mache
- Malabar Spinach
- Melon
- Microgreens
- Mitsuba
- Mizuna
- Mustard Greens
- Napa Cabbage
- New Zealand Spinach
- Okra
- Onion
- Pac Choi
- Parsnip
- Patty Pan Squash
- Peas
- Peppers
- Pole Beans
- Potatoes
- Pumpkin
- Purslane
- Radicchio
- Radish
- Rhubarb
- Romanesco
- Rutabaga
- Salsify
- Savoy Cabbage
- Scallions
- Scarlet Runner Beans
- Shallot
- Shiso
- Snap Peas
- Snow Peas
- Soybeans
- Spaghetti Squash
- Spinach
- Squash (Summer)
- Squash (Winter)
- Sunchoke
- Sweet Corn
- Sweet Potatoes
- Tatsoi
- Tomatillo
- Tomatoes
- Turmeric
- Turnip
- Watercress
- Watermelon
- Wax Beans
- Winter Melon
- Yam
- Yard Long Beans
- Zucchini
🍓 Fruits
Browse all 34 fruits you can grow in Wisconsin
- Alpine Strawberries
- Aronia
- Blackberries
- Blueberries
- Boysenberries
- Cantaloupe
- Che Fruit
- Cranberries
- Currants
- Dragon Fruit
- Elderberries
- Figs
- Goji Berries
- Gooseberries
- Grapes
- Ground Cherry
- Guava
- Hardy Kiwi
- Haskaps
- Honeydew
- Jostaberry
- Kiwi
- Lingonberries
- Loquat
- Medlar
- Mulberries
- Passion Fruit
- Pawpaw
- Persimmon
- Pomegranate
- Quince
- Raspberries
- Serviceberries
- Strawberries
🌿 Herbs
Browse all 39 herbs you can grow in Wisconsin
- Angelica
- Anise
- Basil
- Bee Balm
- Borage
- Caraway
- Catnip
- Chamomile
- Chervil
- Chives
- Cilantro
- Comfrey
- Cumin
- Dill
- Epazote
- Fennel (herb)
- Feverfew
- Garlic Chives
- Horehound
- Hyssop
- Lemon Balm
- Lemon Thyme
- Lemon Verbena
- Lemongrass
- Lovage
- Marjoram
- Mint
- Oregano
- Parsley
- Rosemary
- Rue
- Sage
- Savory
- Sorrel
- Stevia
- Tarragon
- Thai Basil
- Thyme
- Valerian
🌸 Flowers
Browse all 54 flowers you can grow in Wisconsin
- Ageratum
- Alliums
- Anemones
- Astilbe
- Bachelor's Button
- Begonias
- Black-eyed Susan
- Bleeding Hearts
- Calendula
- California Poppy
- Celosia
- Columbine
- Coreopsis
- Cosmos
- Crocus
- Daffodils
- Dahlias
- Daylily
- Dianthus
- Echinacea (Purple Coneflower)
- Foxglove
- Freesia
- Gaillardia (Blanket Flower)
- Geraniums
- Gladiolus
- Hostas
- Hyacinths
- Hydrangeas
- Impatiens
- Irises
- Larkspur
- Lavender
- Lilies
- Lobelia
- Lupine
- Marigolds
- Nasturtium
- Pansy
- Peonies
- Petunia
- Phlox
- Portulaca
- Ranunculus
- Roses
- Salvia
- Sedum (Stonecrop)
- Snapdragon
- Sunflower
- Sweet Alyssum
- Sweet Pea
- Tulips
- Vinca (Annual)
- Yarrow
- Zinnia
Monthly Planting Guide for Wisconsin
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.
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