Stambaugh 2SSE, MI Frost Dates & Growing Season

The two dates every Stambaugh 2SSE garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Jun 4
~50% chance of frost after
First fall frost
Sep 10
~50% chance of frost before
Growing season
98 days
frost-free stretch
USDA zone
≈ 5a
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost May 22 Jun 4 Jun 26
First fall frost Sep 25 Sep 10 Aug 21
Hard freeze (28°F), median last May 23 · first Sep 24

Computed from NOAA 1991–2020 climate normals at the STAMBAUGH 2SSE station. "Safe" means frost past that date happens only about one year in ten. Your exact garden can still run days either way with elevation and terrain — check your own ZIP with the frost date lookup.

Planting windows for Stambaugh 2SSE

Computed from Stambaugh 2SSE's own frost dates. Click any crop for the full zone-5 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Apr 9 – Apr 23 Jun 11 – Jun 18
🫑 Peppers Mar 26 – Apr 9 Jun 18 – Jun 25
🥬 Lettuce Apr 23 – May 7 May 7 – May 21 May 7 – Jun 4
🫛 Peas Apr 23 – May 7
🥕 Carrots May 14 – Jun 4
🥦 Broccoli Apr 16 – Apr 30 May 14 – May 28
🥬 Kale Apr 23 – May 7 May 7 – May 21 May 7 – May 21
🥒 Cucumbers May 7 – May 14 Jun 11 – Jun 18 Jun 11 – Jun 18
🥒 Zucchini May 7 – May 14 Jun 11 – Jun 18 Jun 11 – Jun 18
🫘 Green Beans (Bush) Jun 11 – Jun 18
🌽 Sweet Corn Jun 11 – Jun 18
🌿 Basil Apr 23 – May 7 Jun 11 – Jun 18 Jun 18 – Jun 25
🧄 Garlic Fall: Jul 30 – Aug 27

Want this for all 50 crops, or as a printable seed-shelf schedule? Use the planting calendar and the seed starting scheduler — both can use Stambaugh 2SSE's dates automatically after a lookup.

Reading the season in Stambaugh 2SSE

At about 98 frost-free days, Stambaugh 2SSE rewards efficiency: start warm-season crops indoors, favor short-season varieties, and lean on cold-tolerant crops — peas, kale, roots — that shrug off the shoulder-season frosts on either end.

Frequently asked questions

When is the last frost in Stambaugh 2SSE, MI?

The average last spring frost in Stambaugh 2SSE is around Jun 4, based on 1991–2020 climate normals. That's a median — about half of years see a later frost, so tender crops are safest going out a week or two after this date.

When is the first frost in Stambaugh 2SSE, MI?

The average first fall frost in Stambaugh 2SSE arrives around Sep 10. Crops still in the garden need to mature before then, and frost-tender plants need harvesting or protection as the date approaches.

How long is the growing season in Stambaugh 2SSE?

About 98 frost-free days on average, from Jun 4 to Sep 10. That favors short-season varieties and transplants for warm-season crops, with cool-season vegetables doing the heavy lifting in spring and fall.

What USDA zone is Stambaugh 2SSE in?

USDA zone 5a on the 2023 Plant Hardiness Zone Map. Note that zones describe winter cold, not frost timing — these frost dates are the numbers to plan plantings around.