Frost Dates for Cadillac, MI 49601

Last spring frost May 29 · First fall frost September 16 · 110 frost-free days · USDA Zone 5a

ZIP 49601 has about 22,100 people.

Short season: 110 frost-free days. Spring frost risk spans May 12–June 14 (33 days). Fall frost risk spans August 31–October 3 (33 days).

Frost probability for 49601

Frost10%50%90%
Spring (last frost)June 14May 29May 12
Fall (first frost)August 31September 16October 3

Dates come from NOAA 1971–2000 freeze probabilities at LAKE CITY EXP FARM (26.4 km away); the 50% date is the median year.

Which crops fit a 110-day season in Cadillac

In Cadillac (110 frost-free days, a short season), 30 of 56 planner crops fit outright, 15 get two plantings, 8 need an indoor start, 2 don't reliably mature, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoApr 24Jun 12–Jun 1968head-start: Even planted out Jun 12, the outdoor season is about 12 days short; choose an early variety or grow under cover.—
PepperApr 17Jun 12–Jun 1968head-start: Even planted out Jun 12, the outdoor season is about 7 days short; choose an early variety or grow under cover.—
LettuceApr 3May 1–May 8145two-plantings: Plant May 1 and again by Jul 26; both mature before Sep 23.Jul 26
Carrots—May 8–May 15152fits: 70 days to maturity, 152 available after May 8.Jul 15
CucumberMay 8Jun 12–Jun 1982fits: 60 days to maturity, 82 available after Jun 12.Jun 20
Beans—Jun 5–Jun 1996fits: 60 days to maturity, 96 available after Jun 5.Jun 27
Peas—Apr 3–Jun 12173fits: 65 days to maturity, 173 available after Apr 3.Jul 6
ZucchiniMay 15Jun 12–Jun 1982fits: 55 days to maturity, 82 available after Jun 12.Jun 25
OnionMar 6May 1–May 15145fits: 100 days to maturity, 145 available after May 1.—
Spinach—Apr 3–May 22187two-plantings: Plant Apr 3 and again by Aug 14; both mature before Oct 7.Aug 14
KaleMar 20May 1–May 15159two-plantings: Plant May 1 and again by Jul 30; both mature before Oct 7.Jul 30
BroccoliApr 3May 1–May 15145fits: 80 days to maturity, 145 available after May 1.Jun 21
CabbageApr 3May 1–May 15159fits: 70 days to maturity, 159 available after May 1.Jul 15
Radish—Apr 3–Jun 26173two-plantings: Plant Apr 3 and again by Aug 15; both mature before Sep 23.Aug 15
Beets—Apr 3–Jun 26173two-plantings: Plant Apr 3 and again by Jul 16; both mature before Sep 23.Jul 16
Potatoes—May 15–May 22131fits: 90 days to maturity, 131 available after May 15.—
Garlic—Sep 16215overwinter: Plant Sep 16 to Oct 7; harvest the following summer.Oct 7
Strawberry—Apr 24–Jun 19166perennial: A perennial: plant Apr 24; it fruits from the following year and keeps producing for several years.—
CornMay 1Jun 5–Jun 1282fits: 75 days to maturity, 82 available after Jun 5.—
PumpkinMay 15Jun 12–Jun 1275no-fit: Needs 100 days; Cadillac has 75 after Jun 12.—
CauliflowerApr 17May 22–Jun 5124fits: 75 days to maturity, 124 available after May 22.Jun 26
Swiss ChardApr 3May 15–May 15131two-plantings: Plant May 15 and again by Jul 16; both mature before Sep 23.Jul 16
Arugula—Apr 3–Jun 26187two-plantings: Plant Apr 3 and again by Aug 14; both mature before Oct 7.Aug 14
Brussel SproutsApr 3May 1–May 15159fits: 100 days to maturity, 159 available after May 1.Jun 15
Butternut SquashMay 15Jun 12–Jun 1975no-fit: Needs 100 days; Cadillac has 75 after Jun 12.—
EggplantApr 10Jun 12–Jun 1968head-start: Even planted out Jun 12, the outdoor season is about 2 days short; choose an early variety or grow under cover.—
OkraMay 1Jun 5–Jun 1289fits: 55 days to maturity, 89 available after Jun 5.Jun 25
BasilApr 24Jun 19–Jun 1975fits: 60 days to maturity, 75 available after Jun 19.Jun 20
Cilantro—May 1–May 22145two-plantings: Plant May 1 and again by Jul 21; both mature before Sep 23.Jul 21
ParsleyMar 20Jun 5–Jun 12110fits: 70 days to maturity, 110 available after Jun 5.Jul 1
CeleryMar 20Jun 5–Jun 19110head-start: Even planted out Jun 5, the outdoor season is about 10 days short; choose an early variety or grow under cover.—
ScallionsMar 20May 1–May 15159two-plantings: Plant May 1 and again by Jul 25; both mature before Oct 7.Jul 25
Turnip—May 1–May 15159two-plantings: Plant May 1 and again by Aug 4; both mature before Oct 7.Aug 4
Kohlrabi—Apr 17–May 1173two-plantings: Plant Apr 17 and again by Jul 30; both mature before Oct 7.Jul 30
Bok ChoyMay 1May 22–May 29124two-plantings: Plant May 22 and again by Jul 26; both mature before Sep 23.Jul 26
CollardsMar 20May 1–May 15159two-plantings: Plant May 1 and again by Jul 25; both mature before Oct 7.Jul 25
CantaloupeMay 15Jun 12–Jun 1968head-start: Even planted out Jun 12, the outdoor season is about 17 days short; choose an early variety or grow under cover.—
ChivesMar 6Jun 5–Jun 12124fits: 90 days to maturity, 124 available after Jun 5.—
Dill—Apr 3–Jun 26173two-plantings: Plant Apr 3 and again by Jul 16; both mature before Sep 23.Jul 16
OreganoMar 20Jun 5–Jun 12124fits: 80 days to maturity, 124 available after Jun 5.—
RosemaryMar 6Jun 5–Jun 12110fits: 80 days to maturity, 110 available after Jun 5.—
SageApr 3Jun 5–Jun 12124fits: 75 days to maturity, 124 available after Jun 5.—
ThymeMar 20Jun 5–Jun 12124fits: 90 days to maturity, 124 available after Jun 5.—
CalendulaApr 17May 15–May 29131two-plantings: Plant May 15 and again by Jul 21; both mature before Sep 23.Jul 21
CosmosMay 1May 29–Jun 1296fits: 60 days to maturity, 96 available after May 29.Jun 20
LavenderMar 6May 29–Jun 12131fits: 90 days to maturity, 131 available after May 29.—
MarigoldsApr 17May 29–Jun 596fits: 50 days to maturity, 96 available after May 29.Jun 30
MelonsMay 15Jun 12–Jun 1968head-start: Even planted out Jun 12, the outdoor season is about 17 days short; choose an early variety or grow under cover.—
Mint—May 29–Jun 12131fits: 90 days to maturity, 131 available after May 29.—
NasturtiumsMay 1May 29–Jun 596fits: 55 days to maturity, 96 available after May 29.Jun 25
Pole Beans—Jun 5–Jun 1989fits: 65 days to maturity, 89 available after Jun 5.Jun 15
Spaghetti SquashMay 15Jun 12–Jun 1975head-start: Even planted out Jun 12, the outdoor season is about 15 days short; choose an early variety or grow under cover.—
Sunflowers—May 29–Jun 1296fits: 70 days to maturity, 96 available after May 29.Jun 10
TomatillosApr 3Jun 5–Jun 1275fits: 75 days to maturity, 75 available after Jun 5.—
WatermelonMay 15Jun 5–Jun 1275head-start: Even planted out Jun 5, the outdoor season is about 5 days short; choose an early variety or grow under cover.—
Yellow SquashMay 15Jun 12–Jun 1982fits: 55 days to maturity, 82 available after Jun 12.Jun 25
ZinniasMay 1May 29–Jun 1296fits: 60 days to maturity, 96 available after May 29.Jun 20

Month by month in Cadillac

MonthWhat to do
JanuaryPlan your garden layout and order seeds. Research varieties suited to your frost dates.
FebruaryStart the slowest-growing crops indoors: onions, leeks, and celery (10–12 weeks before last frost).
MarchStart indoors: Chives (Mar 6), Lavender (Mar 6), Onion (Mar 6), Rosemary (Mar 6), Celery (Mar 20), Collards (Mar 20), +5 more.
AprilStart indoors: Broccoli (Apr 3), Brussel Sprouts (Apr 3), Cabbage (Apr 3), Lettuce (Apr 3), Sage (Apr 3), Swiss Chard (Apr 3), +8 more. Direct sow from: Arugula (Apr 3), Beets (Apr 3), Dill (Apr 3), Peas (Apr 3), Radish (Apr 3), Spinach (Apr 3), +1 more. Plant: Strawberry (Apr 24).
MayStart indoors: Bok Choy (May 1), Corn (May 1), Cosmos (May 1), Nasturtiums (May 1), Okra (May 1), Zinnias (May 1), +9 more. Direct sow from: Cilantro (May 1), Turnip (May 1), Carrots (May 8), Potatoes (May 15), Sunflowers (May 29). Transplant from: Broccoli (May 1), Brussel Sprouts (May 1), Cabbage (May 1), Collards (May 1), Kale (May 1), Lettuce (May 1), +12 more. Last frost around May 29.
JuneDirect sow from: Beans (Jun 5), Pole Beans (Jun 5). Transplant from: Celery (Jun 5), Chives (Jun 5), Corn (Jun 5), Okra (Jun 5), Oregano (Jun 5), Parsley (Jun 5), +17 more. Last sowing dates: Sunflowers (Jun 10), Brussel Sprouts (Jun 15), Pole Beans (Jun 15), Basil (Jun 20), Cosmos (Jun 20), Cucumber (Jun 20), +9 more.
JulyLast sowing dates: Parsley (Jul 1), Peas (Jul 6), Cabbage (Jul 15), Carrots (Jul 15), Beets (Jul 16), Dill (Jul 16), +9 more.
AugustLast sowing dates: Turnip (Aug 4), Arugula (Aug 14), Spinach (Aug 14), Radish (Aug 15).
SeptemberDirect sow from: Garlic (Sep 16). First frost around September 16.
OctoberLast sowing dates: Garlic (Oct 7).
NovemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

Frequently Asked Questions

What is the last frost date for Cadillac, MI (ZIP 49601)?

The median last spring frost date for Cadillac, MI (ZIP code 49601) is around May 29. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before May 12; one in ten it runs past June 14.

What is the first fall frost date in Cadillac, MI?

The median first fall frost date for Cadillac, MI is around September 16. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around August 31 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Cadillac, MI?

The frost-free growing season in Cadillac is about 110 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Cadillac (110 frost-free days, a short season), 30 of 56 planner crops fit outright, 15 get two plantings, 8 need an indoor start, 2 don't reliably mature, 1 crop is perennial.

What USDA hardiness zone is Cadillac, MI?

Cadillac, MI is in USDA hardiness zone 5a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.

When should I start tomatoes indoors in Cadillac, MI?

Start tomatoes indoors Apr 24 and plant out Jun 12 in Cadillac. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Cadillac?

Two: plant May 1 and again by Jul 26; both mature before Sep 23.

When do I plant garlic in Cadillac?

Sep 16 to Oct 7; it overwinters and is ready the following summer.

Can I grow Celery in Cadillac?

Yes, with help. Even planted out Jun 5, the outdoor season is about 10 days short; choose an early variety or grow under cover.

Which nearby ZIP has a longer season?

Manistee (ZIP 49660) has 147 frost-free days, 37 more than Cadillac (ZIP 49601). See Manistee ZIP 49660 frost dates

Nearby and related