Oak Creek Canyon, AZ Frost Dates & Growing Season

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

Last spring frost
Apr 14
~50% chance of frost after
First fall frost
Nov 5
~50% chance of frost before
Growing season
205 days
frost-free stretch
USDA zone
≈ 8b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Mar 31 Apr 14 May 4
First fall frost Nov 23 Nov 5 Oct 18
Hard freeze (28°F), median last Mar 28 · first Nov 18

Computed from NOAA 1991–2020 climate normals at the OAK CREEK CANYON 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 Oak Creek Canyon

Computed from Oak Creek Canyon's own frost dates. Click any crop for the full zone-8 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Feb 17 – Mar 3 Apr 21 – Apr 28
🫑 Peppers Feb 3 – Feb 17 Apr 28 – May 5
🥬 Lettuce Mar 3 – Mar 17 Mar 17 – Mar 31 Mar 17 – Apr 14
🫛 Peas Mar 3 – Mar 17
🥕 Carrots Mar 24 – Apr 14
🥦 Broccoli Feb 24 – Mar 10 Mar 24 – Apr 7
🥬 Kale Mar 3 – Mar 17 Mar 17 – Mar 31 Mar 17 – Mar 31
🥒 Cucumbers Mar 17 – Mar 24 Apr 21 – Apr 28 Apr 21 – Apr 28
🥒 Zucchini Mar 17 – Mar 24 Apr 21 – Apr 28 Apr 21 – Apr 28
🫘 Green Beans (Bush) Apr 21 – Apr 28
🌽 Sweet Corn Apr 21 – Apr 28
🌿 Basil Mar 3 – Mar 17 Apr 21 – Apr 28 Apr 28 – May 5
🧄 Garlic Fall: Sep 24 – Oct 22

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 Oak Creek Canyon's dates automatically after a lookup.

Reading the season in Oak Creek Canyon

With roughly 205 frost-free days, Oak Creek Canyon 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 5 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Oak Creek Canyon, AZ?

The average last spring frost in Oak Creek Canyon is around Apr 14, 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 Oak Creek Canyon, AZ?

The average first fall frost in Oak Creek Canyon arrives around Nov 5. 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 Oak Creek Canyon?

About 205 frost-free days on average, from Apr 14 to Nov 5. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Oak Creek Canyon in?

USDA zone 8b 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.