Milton Freewater, OR Frost Dates & Growing Season

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

Last spring frost
Mar 25
~50% chance of frost after
First fall frost
Oct 29
~50% chance of frost before
Growing season
218 days
frost-free stretch
USDA zone
≈ 7a
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Mar 6 Mar 25 Apr 16
First fall frost Nov 16 Oct 29 Oct 12
Hard freeze (28°F), median last Mar 5 · first Nov 11

Computed from NOAA 1991–2020 climate normals at the MILTON FREEWATER 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 Milton Freewater

Computed from Milton Freewater'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 Jan 28 – Feb 11 Apr 1 – Apr 8
🫑 Peppers Jan 14 – Jan 28 Apr 8 – Apr 15
🥬 Lettuce Feb 11 – Feb 25 Feb 25 – Mar 11 Feb 25 – Mar 25
🫛 Peas Feb 11 – Feb 25
🥕 Carrots Mar 4 – Mar 25
🥦 Broccoli Feb 4 – Feb 18 Mar 4 – Mar 18
🥬 Kale Feb 11 – Feb 25 Feb 25 – Mar 11 Feb 25 – Mar 11
🥒 Cucumbers Feb 25 – Mar 4 Apr 1 – Apr 8 Apr 1 – Apr 8
🥒 Zucchini Feb 25 – Mar 4 Apr 1 – Apr 8 Apr 1 – Apr 8
🫘 Green Beans (Bush) Apr 1 – Apr 8
🌽 Sweet Corn Apr 1 – Apr 8
🌿 Basil Feb 11 – Feb 25 Apr 1 – Apr 8 Apr 8 – Apr 15
🧄 Garlic Fall: Sep 17 – Oct 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 Milton Freewater's dates automatically after a lookup.

Reading the season in Milton Freewater

With roughly 218 frost-free days, Milton Freewater 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 Oct 29 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Milton Freewater, OR?

The average last spring frost in Milton Freewater is around Mar 25, 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 Milton Freewater, OR?

The average first fall frost in Milton Freewater arrives around Oct 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 Milton Freewater?

About 218 frost-free days on average, from Mar 25 to Oct 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 Milton Freewater 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.