Methow 2 S, WA Frost Dates & Growing Season

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

Last spring frost
Apr 21
~50% chance of frost after
First fall frost
Oct 15
~50% chance of frost before
Growing season
177 days
frost-free stretch
USDA zone
≈ 7a
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Apr 1 Apr 21 May 10
First fall frost Oct 29 Oct 15 Oct 3
Hard freeze (28°F), median last Mar 28 · first Oct 26

Computed from NOAA 1991–2020 climate normals at the METHOW 2 S 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 Methow 2 S

Computed from Methow 2 S'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 24 – Mar 10 Apr 28 – May 5
🫑 Peppers Feb 10 – Feb 24 May 5 – May 12
🥬 Lettuce Mar 10 – Mar 24 Mar 24 – Apr 7 Mar 24 – Apr 21
🫛 Peas Mar 10 – Mar 24
🥕 Carrots Mar 31 – Apr 21
🥦 Broccoli Mar 3 – Mar 17 Mar 31 – Apr 14
🥬 Kale Mar 10 – Mar 24 Mar 24 – Apr 7 Mar 24 – Apr 7
🥒 Cucumbers Mar 24 – Mar 31 Apr 28 – May 5 Apr 28 – May 5
🥒 Zucchini Mar 24 – Mar 31 Apr 28 – May 5 Apr 28 – May 5
🫘 Green Beans (Bush) Apr 28 – May 5
🌽 Sweet Corn Apr 28 – May 5
🌿 Basil Mar 10 – Mar 24 Apr 28 – May 5 May 5 – May 12
🧄 Garlic Fall: Sep 3 – Oct 1

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 Methow 2 S's dates automatically after a lookup.

Reading the season in Methow 2 S

Roughly 177 frost-free days gives Methow 2 S gardeners room for nearly every common vegetable. Warm-season crops go out after Apr 21; a fall garden sown in late summer matures comfortably before the Oct 15 frost.

Frequently asked questions

When is the last frost in Methow 2 S, WA?

The average last spring frost in Methow 2 S is around Apr 21, 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 Methow 2 S, WA?

The average first fall frost in Methow 2 S arrives around Oct 15. 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 Methow 2 S?

About 177 frost-free days on average, from Apr 21 to Oct 15. That fits nearly all common vegetables, though the longest-season melons and sweet potatoes benefit from transplants.

What USDA zone is Methow 2 S 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.