Author: Jagdish Reddy | 10+ Years Sustainable Gardening Experience
Verification: Cross-referenced with USDA Climate Data & University Research
Status: Verified for current US regional growing conditions
Last Updated: April, 2026

Planting timing in Michigan varies by USDA zones, frost dates, and soil temperature, wondering, “Is it safe to plant peas yet, or will another frost wipe them out near Traverse City—or worse, up in Marquette?”—you know that one calendar doesn’t fit all. The best planting time for Michigan shifts dramatically from the frost-hugging valleys of the Upper Peninsula (Zone 4a) to the longer, lake-moderated seasons around Kalamazoo and Detroit (Zone 6b).

That’s why a reliable Michigan planting calendar for each month is your most valuable tool. Not sure of your zone? Just check the official USDA Plant Hardiness Zone Map—enter your ZIP, and you’ll instantly know your frost window.

This Michigan planting calendar is compiled using USDA zone data, frost records, and Michigan State Extension guidance. When to plant vegetables in Michigan depends less on the date and more on your soil temperature, last frost risk, and whether Lake Michigan is buffering your backyard—or chilling it with cold air drainage.

Whether you need an MIplanting schedule, want to know what to plant now in Michigan, or are planning your full Michigan vegetable planting schedule, this guide gives you zone-specific, month-by-month advice—backed by MSU Extension data and real backyard growers across the Mitten. With the right timing, helping gardeners plan planting timing by zone.

Michigan Planting Calendar for USDA Zone 4a

Zone 4a (e.g., parts of Marquette, Ironwood, and Munising) has a short, intense growing season—the last frost often lingers into early June. Focus on cold-hardy crops, and delay warm-season planting until soil reliably warms.

Month	Vegetables	Flowers	Herbs	Native Plants/Wildlife	Containers
Jan	Garden planning: start leeks indoors	—	Indoor chives	Review native seed catalogs	Microgreens
Feb	Onions, cabbage, kale indoors	—	Parsley	Red maple seed stratification	Indoor lettuce
Mar	Peas, spinach (late Mar, cold frame)	Pansy plugs	Cilantro	Serviceberry	Kale, scallions
Apr	Lettuce, radishes, potatoes	Dianthus	Dill	Dogwood	Mixed spring greens
May	Carrots, beets, and broccoli (late May)	Marigolds	Chives	Butterfly weed	Cold-hardy greens only
Jun	Beans, zucchini, summer squash	Zinnias	Oregano	Milkweed	Bush beans, cherry tomatoes
Jul	Cucumbers, beets, okra (if warm)	Sunflowers	Lemon balm	Joe-Pye weed	Tomatoes (if established)
Aug	Fall kale, broccoli (start indoors)	Cosmos	Sage	Asters	—
Sep	Transplant collards, kale	Mums	Chives	Goldenrod	Cold-tolerant greens
Oct	Garlic (late Oct, if ground unfrozen)	—	Parsley (mulched)	Native shrub planting	Overwintering herbs
Nov	Cover crops (rye, vetch)	—	Mulch perennial herbs	Leave seed heads for birds	Insulate pots
Dec	Seed inventory; crop rotation plan	—	Indoor rosemary/thyme	Dormant habitat cleanup	Microgreens

Michigan Planting Calendar for USDA Zone 5a

Zone 5a (e.g., Cadillac, Gaylord, and Alpena) offers a modest May–September window. This month is perfect for spring greens, cautious tomato planting, and robust fall brassicas.

Month	Vegetables	Flowers	Herbs	Native Plants/Wildlife	Containers
Jan	Start tomatoes indoors (late Jan)	—	Indoor basil	Black-eyed Susan seeds	Lettuce pots
Feb	Broccoli, onions, leeks indoors	—	Parsley, chives	Redbud prep	Microgreens
Mar	Peas, spinach, radish (late Mar)	Pansies	Cilantro	Dogwood	Spinach, radish
Apr	Lettuce, carrots, potatoes	Dianthus	Dill	Serviceberry	Early greens
May	Tomatoes (after May 20), beans	Marigolds	Basil	Butterfly weed	Early tomatoes
Jun	Corn, zucchini, beets	Zinnias	Oregano	Milkweed	Peppers, bush beans
Jul	Cucumbers, okra, summer squash	Sunflowers	Lemon balm	Joe-Pye weed	Cherry tomatoes
Aug	Fall broccoli, carrots (start)	Alyssum	Rosemary	Asters	Lettuce (shade cloth)
Sep	Kale, collards, beets	Mums	Sage	Blazing star	Spinach
Oct	Garlic (mid–late Oct)	Violas	Chives	Native shrub planting	Winter greens
Nov	Cover crops; compost	—	Mulch herbs	Wildlife habitat prep	Insulated containers
Dec	Seed ordering; indoor herbs	—	Indoor thyme	Dormant native care	Microgreens

Garden Planner Tool

Plan your garden layout using this interactive planner. Enter your garden size to calculate plant spacing and planting timing based on this planting calendar.

This planner helps turn the planting calendar above into a practical garden layout based on your available space.

Michigan Planting Calendar for USDA Zone 5b

Zone 5b (e.g., Grand Rapids suburbs, Lansing, and Bay City) warms slightly earlier—supporting mid-May tomatoes and reliable fall harvests.

Month	Vegetables	Flowers	Herbs	Native Plants/Wildlife	Containers
Jan	Tomatoes and peppers indoors	—	Indoor basil, parsley	Blueberries (dormant)	Microgreens
Feb	Peas, onions, spinach indoors	Pansies	Cilantro	Redbud	Radish, kale
Mar	Lettuce, carrots, beets	Dianthus	Dill	Dogwood	Mixed greens
Apr	Potatoes, broccoli, radishes	Marigolds	Mint	Serviceberry	Early beans, spinach
May	Tomatoes (after May 15), peppers	Zinnias	Oregano	Milkweed	Tomatoes, basil
Jun	Corn, cucumbers, squash	Sunflowers	Basil	Butterfly bush	Cucumbers
Jul	Okra, zucchini, beans	Cosmos	Lemon balm	Joe-Pye weed	Eggplant
Aug	Broccoli, carrots, beets	Alyssum	Rosemary	Blazing star	Lettuce (after Aug 15)
Sep	Kale, radish, collards	Mums	Sage	Asters	Spinach
Oct	Garlic (early–mid Oct)	Violas	Chives	Native shrubs	Winter greens
Nov	Onion sets; cover crops	—	Mulch herbs	Fruit tree prep	Indoor herbs
Dec	Start brassicas indoors	—	Indoor thyme	Mulch pollinator beds	Microgreens

Michigan Planting Calendar for USDA Zone 6a

Zone 6a (e.g., Ann Arbor, Flint, Muskegon) offers a solid May–October growing window—great for heat-lovers like peppers and summer squash.

Month	Vegetables	Flowers	Herbs	Native Plants/Wildlife	Containers
Jan	Tomatoes and peppers indoors	—	Indoor basil	Blueberries	Indoor kale
Feb	Peas, carrots, onions	Pansies	Cilantro	Red maple	Spinach
Mar	Cabbage, lettuce, beets, potatoes	Dianthus	Dill	Dogwood	Mixed greens
Apr	Tomatoes (late Apr), potatoes, beans	Marigold	Mint	Serviceberry	Beans, early tomatoes
May	Peppers, corn, cucumbers	Zinnias	Oregano	Milkweed	Peppers, basil
Jun	Squash, melons, okra	Sunflower	Basil	Butterfly weed	Cucumbers
Jul	Pumpkins, zucchini, beans	Cosmos	Lemon balm	Joe-Pye weed	Eggplant, okra
Aug	Broccoli, carrots, beets	Alyssum	Rosemary	Blazing star	Lettuce (shade)
Sep	Kale, radish, collards	Mums	Sage	Asters	Spinach
Oct	Garlic	Violas	Chives	Native shrubs	Winter greens
Nov	Onion sets	—	Parsley (mulched)	Fruit trees	Indoor herbs
Dec	Indoor brassicas	—	Indoor thyme	Mulch wildlife beds	Microgreens

Michigan Planting Calendar for USDA Zone 6b

Zone 6b (e.g., Detroit, Benton Harbor, and Port Huron) benefits from the longest Michigan season—ideal for double crops of greens and confident okra planting.

Month	Vegetables	Flowers	Herbs	Native Plants/Wildlife	Containers
Jan	Peppers & tomatoes indoors	—	Indoor basil, thyme	Blueberries	Indoor greens
Feb	Peas, onions, spinach, carrots	Pansies	Cilantro	Redbud	Radish, kale
Mar	Lettuce, beets, potatoes, broccoli	Dianthus	Dill	Dogwood	Mixed greens
Apr	Tomatoes, potatoes, beans	Marigold	Mint	Serviceberry	Beans, early tomatoes
May	Peppers, corn, cucumbers, okra	Zinnias	Oregano	Milkweed	Tomatoes, basil
Jun	Squash, melons, sweet potatoes	Sunflower	Lemon balm	Butterfly bush	Cucumbers, eggplant
Jul	Pumpkins, okra, beans	Cosmos	Rosemary	Joe-Pye weed	Okra, cherry tomatoes
Aug	Broccoli, carrots, beets	Alyssum	Sage	Blazing star	Lettuce
Sep	Kale, radish, collards	Mums	Chives	Asters	Spinach
Oct	Garlic	Violas	Parsley	Native shrubs	Winter greens
Nov	Onion sets	—	Mulched herbs	Fruit tree planting	Indoor herbs
Dec	Start greens indoors	—	Indoor thyme, parsley	Mulch pollinator gardens	Microgreens

Frost & Soil Temperature Chart for Michigan

Frost dates are estimates—but your soil temperature is real-time truth. Cool crops like carrots wait for 45°F; warm ones like melons won’t budge until it’s 60°F+.

Zone	Last Spring Frost	First Fall Frost	Ideal Temp: Warm-Season Vegetables	Ideal Temp: Cool-Season Vegetables
4a	Early–Mid June	Early–Mid Sept	60–70°F	45–60°F
5a	Late May	Late Sept	60–70°F	45–60°F
5b	Mid–Late May	Early Oct	60–70°F	45–60°F
6a	Early–Mid May	Mid–Late Oct	60–70°F	45–60°F
6b	Late April–Early May	Late Oct–Early Nov	60–75°F	45–60°F

What to Plant Each Month in Michigan—Quick Guide

Are you too busy to cross-reference zones? No matter where you are in Michigan, this cheat sheet gives you precise guidance on what to plant this month.

Month	Plant These
January	Indoor tomatoes/peppers (Zones 5b–6b); microgreens; seed planning
February	Peas, spinach, onions (Zones 6a–6b); indoor brassicas
March	Lettuce, beets, potatoes, broccoli; cold frames active
April	Tomatoes (Zones 6a–6b), beans, cucumbers, potatoes
May	Corn, squash, melons, peppers (after last frost)
June	Pumpkins, beans, cucumbers, okra (Zones 5b–6b)
July	Okra, summer squash; start fall brassicas
August	Broccoli, carrots, beets, kale, collards
September	Kale, turnip, radish, spinach
October	Garlic, shallots (when soil <60°F)
November	Onion sets; cover crops, and winter greens (protected)
December	Indoor herbs, microgreens, early spring brassicas

Michigan Cool-Season vs Warm-Season Crop Calendar

Month	Cool-season Crops	Warm-season Crops
January	Indoor greens (Zones 6)	Start tomatoes/peppers indoors (Zones 5b–6b)
February	Peas, cabbage, spinach	Indoor warm crops (Zones 5b–6b)
March	Lettuce, broccoli, beets	Start indoors; transplant in 6b late Mar
April	Spinach, kale, radish	Tomatoes/peppers outdoors in Zone 6b
May	Lettuce (shade), carrots	Corn, squash, melons, peppers
June	— (most bolts)	Cucumbers, beans, pumpkins, okra
July	Start fall broccoli/cabbage	Okra, heat-tolerant tomatoes
August	Broccoli, kale, carrots	Final beans/squash (Zones 6a–6b)
September	Kale, spinach, radish	—
October	Lettuce, spinach, garlic	—
November	Onions, winter greens (under cover)	—
December	Indoor greens & herbs	—

Quick Seasonal Takeaway Chart

Season	Best Crop Type
Late Winter–Early Spring	Cool-season
Late Spring–Summer	Warm-season
Late Summer–Fall	Cool-season
Winter	Indoor or hardy cool-season only

Michigan Calendar for Seed Starting vs Direct Sowing

Crops	Best Method
Tomatoes, peppers, eggplant, okra	Start indoors → transplant
Cabbage family (broccoli, kale, collards)	Indoors or transplants
Corn, beans, peas, carrots, radish	Direct sow
Squash, melons, cucumbers	Direct sow
Lettuce, spinach, beets	Direct sow
Herbs	Mixed (basil indoors; cilantro/dill direct)

Michigan Pest & Disease Timing Calendar

Pests don’t read calendars—but they do follow the weather. Hornworms show up right when your tomatoes flower; late blight creeps in during humid August nights near the lakes. Knowing when trouble arrives lets you act early.

Month	Pest/Disease	Prevention
March–April	Aphids, flea beetles	Row covers; insecticidal soap
April–June	Cabbage worms	BT spray; floating row covers
May–July	Tomato hornworm, stink bugs	Daily inspection; hand-pick
June–August	Squash vine borer, late blight	Stem wraps; avoid overhead watering
July–September	Powdery mildew, downy mildew	Drip irrigation; increase airflow
August–October	Slugs, harlequin bugs	Beer traps; clean debris
October–November	Voles, rodents	Remove garden debris; protect garlic

Michigan Fruit Trees & Berries Calendar—Planting Schedule

Fruit trees aren’t like annual veggies—you’re planting for decades, not months. If you correctly time your planting (dormant season = happy roots), you can enjoy picking cherries in Traverse City or blueberries near Holland for years to come.

Fruit Type	Best Planting Window
Apple, pear, cherry (cold-hardy)	March–April
Peach, plum (Zone 6b only)	Late March–April
Blueberries	March–April (acidic soil prep critical)
Strawberries	Early spring or August
Raspberries/blackberries	March–April or Sept–Oct

Michigan Perennial Vegetables Calendar

Crop	Planting Window
Asparagus	April–May
Rhubarb	March–April
Horseradish	March–April or Sept–Oct
Walking onions	Sept–November

Michigan Pollinator Planting Calendar

A garden buzzing with bees and fluttering with butterflies isn’t just beautiful—it’s more productive. But pollinators need flowers all season, not just in June. This sequence ensures that there is always something blooming, starting with serviceberry in April and ending with goldenrod in October.

Season	Recommended Plants
Early Spring	Red maple, serviceberry, crocus, pansies
Late Spring	Milkweed, bee balm, wild columbine, coneflower
Summer	Zinnias, sunflowers, Joe-Pye weed, butterfly bush
Fall	Asters, goldenrod, sedum, mums
Winter	Hollies, native grasses, oak, winterberry

Cover Crops Calendar for Soil Health in Michigan

Should you leave your garden untended during the winter months? That’s like leaving your fridge open—nutrients leak out, weeds move in, and soil life starves. A simple cover crop like winter rye or vetch protects and feeds your plot.

Cover Crop	Planting Window	Benefits
Winter rye	August–October	Prevents erosion; builds organic matter
Hairy vetch	August–September	Fixes nitrogen; great with rye
Crimson clover	August–Sept (Zones 5b–6b)	Nitrogen + pollinator support
Buckwheat	May–July	Fast cover; suppresses weeds
Austrian winter peas	Aug–Sept (Zone 6b)	Nitrogen + winter green manure

Data sources

USDA Plant Hardiness Zone Map
NOAA Frost Probability Data
Michigan State Extension Planting Guides

Common Questions About Planting in Michigan

Are you in search of additional regional guides? Check out our planting calendars for other states: