Setauket Strong, NY Frost Dates & Growing Season

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

Last spring frost
Apr 15
~50% chance of frost after
First fall frost
Nov 10
~50% chance of frost before
Growing season
209 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 15 May 4
First fall frost Nov 24 Nov 10 Oct 27
Hard freeze (28°F), median last Mar 31 · first Nov 21

Computed from NOAA 1991–2020 climate normals at the SETAUKET STRONG 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 Setauket Strong

Computed from Setauket Strong'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 18 – Mar 4 Apr 22 – Apr 29
🫑 Peppers Feb 4 – Feb 18 Apr 29 – May 6
🥬 Lettuce Mar 4 – Mar 18 Mar 18 – Apr 1 Mar 18 – Apr 15
🫛 Peas Mar 4 – Mar 18
🥕 Carrots Mar 25 – Apr 15
🥦 Broccoli Feb 25 – Mar 11 Mar 25 – Apr 8
🥬 Kale Mar 4 – Mar 18 Mar 18 – Apr 1 Mar 18 – Apr 1
🥒 Cucumbers Mar 18 – Mar 25 Apr 22 – Apr 29 Apr 22 – Apr 29
🥒 Zucchini Mar 18 – Mar 25 Apr 22 – Apr 29 Apr 22 – Apr 29
🫘 Green Beans (Bush) Apr 22 – Apr 29
🌽 Sweet Corn Apr 22 – Apr 29
🌿 Basil Mar 4 – Mar 18 Apr 22 – Apr 29 Apr 29 – May 6
🧄 Garlic Fall: Sep 29 – Oct 27

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 Setauket Strong's dates automatically after a lookup.

Reading the season in Setauket Strong

With roughly 209 frost-free days, Setauket Strong 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 10 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Setauket Strong, NY?

The average last spring frost in Setauket Strong is around Apr 15, 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 Setauket Strong, NY?

The average first fall frost in Setauket Strong arrives around Nov 10. 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 Setauket Strong?

About 209 frost-free days on average, from Apr 15 to Nov 10. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Setauket Strong 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.