Tumacacori Nm, AZ Frost Dates & Growing Season

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

Last spring frost
Apr 5
~50% chance of frost after
First fall frost
Nov 10
~50% chance of frost before
Growing season
219 days
frost-free stretch
USDA zone
≈ 9b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Mar 13 Apr 5 Apr 25
First fall frost Nov 27 Nov 10 Oct 21
Hard freeze (28°F), median last Mar 12 · first Nov 20

Computed from NOAA 1991–2020 climate normals at the TUMACACORI NM 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 Tumacacori Nm

Computed from Tumacacori Nm's own frost dates. Click any crop for the full zone-9 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Feb 8 – Feb 22 Apr 12 – Apr 19
🫑 Peppers Jan 25 – Feb 8 Apr 19 – Apr 26
🥬 Lettuce Feb 22 – Mar 8 Mar 8 – Mar 22 Mar 8 – Apr 5
🫛 Peas Feb 22 – Mar 8
🥕 Carrots Mar 15 – Apr 5
🥦 Broccoli Feb 15 – Mar 1 Mar 15 – Mar 29
🥬 Kale Feb 22 – Mar 8 Mar 8 – Mar 22 Mar 8 – Mar 22
🥒 Cucumbers Mar 8 – Mar 15 Apr 12 – Apr 19 Apr 12 – Apr 19
🥒 Zucchini Mar 8 – Mar 15 Apr 12 – Apr 19 Apr 12 – Apr 19
🫘 Green Beans (Bush) Apr 12 – Apr 19
🌽 Sweet Corn Apr 12 – Apr 19
🌿 Basil Feb 22 – Mar 8 Apr 12 – Apr 19 Apr 19 – Apr 26
🧄 Garlic Fall: Sep 29 – Oct 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 Tumacacori Nm's dates automatically after a lookup.

Reading the season in Tumacacori Nm

With roughly 219 frost-free days, Tumacacori Nm 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 Nov 10 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Tumacacori Nm, AZ?

The average last spring frost in Tumacacori Nm is around Apr 5, 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 Tumacacori Nm, AZ?

The average first fall frost in Tumacacori Nm arrives around Nov 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 Tumacacori Nm?

About 219 frost-free days on average, from Apr 5 to Nov 10. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Tumacacori Nm in?

USDA zone 9b 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.