Green City 5N, MO Frost Dates & Growing Season

The two dates every Green City 5N garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Apr 26
~50% chance of frost after
First fall frost
Oct 14
~50% chance of frost before
Growing season
171 days
frost-free stretch
USDA zone
≈ 5b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Apr 11 Apr 26 May 12
First fall frost Oct 27 Oct 14 Sep 30
Hard freeze (28°F), median last Apr 14 · first Oct 24

Computed from NOAA 1991–2020 climate normals at the GREEN CITY 5N 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 Green City 5N

Computed from Green City 5N'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 Mar 1 – Mar 15 May 3 – May 10
🫑 Peppers Feb 15 – Mar 1 May 10 – May 17
🥬 Lettuce Mar 15 – Mar 29 Mar 29 – Apr 12 Mar 29 – Apr 26
🫛 Peas Mar 15 – Mar 29
🥕 Carrots Apr 5 – Apr 26
🥦 Broccoli Mar 8 – Mar 22 Apr 5 – Apr 19
🥬 Kale Mar 15 – Mar 29 Mar 29 – Apr 12 Mar 29 – Apr 12
🥒 Cucumbers Mar 29 – Apr 5 May 3 – May 10 May 3 – May 10
🥒 Zucchini Mar 29 – Apr 5 May 3 – May 10 May 3 – May 10
🫘 Green Beans (Bush) May 3 – May 10
🌽 Sweet Corn May 3 – May 10
🌿 Basil Mar 15 – Mar 29 May 3 – May 10 May 10 – May 17
🧄 Garlic Fall: Sep 2 – Sep 30

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 Green City 5N's dates automatically after a lookup.

Reading the season in Green City 5N

Roughly 171 frost-free days gives Green City 5N gardeners room for nearly every common vegetable. Warm-season crops go out after Apr 26; a fall garden sown in late summer matures comfortably before the Oct 14 frost.

Frequently asked questions

When is the last frost in Green City 5N, MO?

The average last spring frost in Green City 5N is around Apr 26, 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 Green City 5N, MO?

The average first fall frost in Green City 5N arrives around Oct 14. 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 Green City 5N?

About 171 frost-free days on average, from Apr 26 to Oct 14. That fits nearly all common vegetables, though the longest-season melons and sweet potatoes benefit from transplants.

What USDA zone is Green City 5N in?

USDA zone 5b 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.