Langlois #2, OR Frost Dates & Growing Season

The two dates every Langlois #2 garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Mar 16
~50% chance of frost after
First fall frost
Nov 29
~50% chance of frost before
Growing season
258 days
frost-free stretch
USDA zone
≈ 8b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Feb 6 Mar 16 Apr 15
First fall frost Jan 4 Nov 29 Nov 1
Hard freeze (28°F), median last Jan 29 · first Dec 21

Computed from NOAA 1991–2020 climate normals at the LANGLOIS #2 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 Langlois #2

Computed from Langlois #2'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 Jan 19 – Feb 2 Mar 23 – Mar 30
🫑 Peppers Jan 5 – Jan 19 Mar 30 – Apr 6
🥬 Lettuce Feb 2 – Feb 16 Feb 16 – Mar 2 Feb 16 – Mar 16
🫛 Peas Feb 2 – Feb 16
🥕 Carrots Feb 23 – Mar 16
🥦 Broccoli Jan 26 – Feb 9 Feb 23 – Mar 9
🥬 Kale Feb 2 – Feb 16 Feb 16 – Mar 2 Feb 16 – Mar 2
🥒 Cucumbers Feb 16 – Feb 23 Mar 23 – Mar 30 Mar 23 – Mar 30
🥒 Zucchini Feb 16 – Feb 23 Mar 23 – Mar 30 Mar 23 – Mar 30
🫘 Green Beans (Bush) Mar 23 – Mar 30
🌽 Sweet Corn Mar 23 – Mar 30
🌿 Basil Feb 2 – Feb 16 Mar 23 – Mar 30 Mar 30 – Apr 6
🧄 Garlic Fall: Oct 18 – Nov 15

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 Langlois #2's dates automatically after a lookup.

Reading the season in Langlois #2

With roughly 258 frost-free days, Langlois #2 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 29 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Langlois #2, OR?

The average last spring frost in Langlois #2 is around Mar 16, 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 Langlois #2, OR?

The average first fall frost in Langlois #2 arrives around Nov 29. 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 Langlois #2?

About 258 frost-free days on average, from Mar 16 to Nov 29. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Langlois #2 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.