Joplin 24 N, MO Frost Dates & Growing Season

The two dates every Joplin 24 N garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Apr 6
~50% chance of frost after
First fall frost
Oct 24
~50% chance of frost before
Growing season
201 days
frost-free stretch
USDA zone
≈ 7a
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Mar 22 Apr 6 Apr 23
First fall frost Nov 6 Oct 24 Oct 8
Hard freeze (28°F), median last Mar 27 · first Nov 2

Computed from NOAA 1991–2020 climate normals at the JOPLIN 24 N 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 Joplin 24 N

Computed from Joplin 24 N's own frost dates. Click any crop for the full zone-7 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Feb 9 – Feb 23 Apr 13 – Apr 20
🫑 Peppers Jan 26 – Feb 9 Apr 20 – Apr 27
🥬 Lettuce Feb 23 – Mar 9 Mar 9 – Mar 23 Mar 9 – Apr 6
🫛 Peas Feb 23 – Mar 9
🥕 Carrots Mar 16 – Apr 6
🥦 Broccoli Feb 16 – Mar 2 Mar 16 – Mar 30
🥬 Kale Feb 23 – Mar 9 Mar 9 – Mar 23 Mar 9 – Mar 23
🥒 Cucumbers Mar 9 – Mar 16 Apr 13 – Apr 20 Apr 13 – Apr 20
🥒 Zucchini Mar 9 – Mar 16 Apr 13 – Apr 20 Apr 13 – Apr 20
🫘 Green Beans (Bush) Apr 13 – Apr 20
🌽 Sweet Corn Apr 13 – Apr 20
🌿 Basil Feb 23 – Mar 9 Apr 13 – Apr 20 Apr 20 – Apr 27
🧄 Garlic Fall: Sep 12 – Oct 10

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 Joplin 24 N's dates automatically after a lookup.

Reading the season in Joplin 24 N

With roughly 201 frost-free days, Joplin 24 N gardens fit long-season crops — melons, winter squash, sweet potatoes — with room left for spring and fall rounds of greens and roots. The first frost around Oct 24 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Joplin 24 N, MO?

The average last spring frost in Joplin 24 N is around Apr 6, 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 Joplin 24 N, MO?

The average first fall frost in Joplin 24 N arrives around Oct 24. 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 Joplin 24 N?

About 201 frost-free days on average, from Apr 6 to Oct 24. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Joplin 24 N in?

USDA zone 7a 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.