Eau Claire 4 NE, MI Frost Dates & Growing Season

The two dates every Eau Claire 4 NE garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Apr 22
~50% chance of frost after
First fall frost
Oct 30
~50% chance of frost before
Growing season
191 days
frost-free stretch
USDA zone
≈ 6a
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Apr 6 Apr 22 May 7
First fall frost Nov 12 Oct 30 Oct 15
Hard freeze (28°F), median last Apr 9 · first Nov 9

Computed from NOAA 1991–2020 climate normals at the EAU CLAIRE 4 NE 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 Eau Claire 4 NE

Computed from Eau Claire 4 NE's own frost dates. Click any crop for the full zone-6 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Feb 25 – Mar 11 Apr 29 – May 6
🫑 Peppers Feb 11 – Feb 25 May 6 – May 13
🥬 Lettuce Mar 11 – Mar 25 Mar 25 – Apr 8 Mar 25 – Apr 22
🫛 Peas Mar 11 – Mar 25
🥕 Carrots Apr 1 – Apr 22
🥦 Broccoli Mar 4 – Mar 18 Apr 1 – Apr 15
🥬 Kale Mar 11 – Mar 25 Mar 25 – Apr 8 Mar 25 – Apr 8
🥒 Cucumbers Mar 25 – Apr 1 Apr 29 – May 6 Apr 29 – May 6
🥒 Zucchini Mar 25 – Apr 1 Apr 29 – May 6 Apr 29 – May 6
🫘 Green Beans (Bush) Apr 29 – May 6
🌽 Sweet Corn Apr 29 – May 6
🌿 Basil Mar 11 – Mar 25 Apr 29 – May 6 May 6 – May 13
🧄 Garlic Fall: Sep 18 – Oct 16

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 Eau Claire 4 NE's dates automatically after a lookup.

Reading the season in Eau Claire 4 NE

Roughly 191 frost-free days gives Eau Claire 4 NE gardeners room for nearly every common vegetable. Warm-season crops go out after Apr 22; a fall garden sown in late summer matures comfortably before the Oct 30 frost.

Frequently asked questions

When is the last frost in Eau Claire 4 NE, MI?

The average last spring frost in Eau Claire 4 NE is around Apr 22, 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 Eau Claire 4 NE, MI?

The average first fall frost in Eau Claire 4 NE arrives around Oct 30. 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 Eau Claire 4 NE?

About 191 frost-free days on average, from Apr 22 to Oct 30. That fits nearly all common vegetables, though the longest-season melons and sweet potatoes benefit from transplants.

What USDA zone is Eau Claire 4 NE in?

USDA zone 6a 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.