Eloy 4 NE, AZ Frost Dates & Growing Season

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

Last spring frost
Feb 24
~50% chance of frost after
First fall frost
Nov 28
~50% chance of frost before
Growing season
277 days
frost-free stretch
USDA zone
≈ 9b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Jan 30 Feb 24 Mar 18
First fall frost Dec 13 Nov 28 Nov 11
Hard freeze (28°F), median last Feb 3 · first Dec 8

Computed from NOAA 1991–2020 climate normals at the ELOY 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 Eloy 4 NE

Computed from Eloy 4 NE'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 Dec 30 – Jan 13 Mar 3 – Mar 10
🫑 Peppers Dec 16 – Dec 30 Mar 10 – Mar 17
🥬 Lettuce Jan 13 – Jan 27 Jan 27 – Feb 10 Jan 27 – Feb 24
🫛 Peas Jan 13 – Jan 27
🥕 Carrots Feb 3 – Feb 24
🥦 Broccoli Jan 6 – Jan 20 Feb 3 – Feb 17
🥬 Kale Jan 13 – Jan 27 Jan 27 – Feb 10 Jan 27 – Feb 10
🥒 Cucumbers Jan 27 – Feb 3 Mar 3 – Mar 10 Mar 3 – Mar 10
🥒 Zucchini Jan 27 – Feb 3 Mar 3 – Mar 10 Mar 3 – Mar 10
🫘 Green Beans (Bush) Mar 3 – Mar 10
🌽 Sweet Corn Mar 3 – Mar 10
🌿 Basil Jan 13 – Jan 27 Mar 3 – Mar 10 Mar 10 – Mar 17
🧄 Garlic Fall: Oct 17 – Nov 14

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 Eloy 4 NE's dates automatically after a lookup.

Reading the season in Eloy 4 NE

With roughly 277 frost-free days, Eloy 4 NE 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 28 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Eloy 4 NE, AZ?

The average last spring frost in Eloy 4 NE is around Feb 24, 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 Eloy 4 NE, AZ?

The average first fall frost in Eloy 4 NE arrives around Nov 28. 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 Eloy 4 NE?

About 277 frost-free days on average, from Feb 24 to Nov 28. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Eloy 4 NE 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.