Wadsworth 4 N, NV Frost Dates & Growing Season

The two dates every Wadsworth 4 N garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
May 9
~50% chance of frost after
First fall frost
Oct 1
~50% chance of frost before
Growing season
145 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 24 May 9 May 28
First fall frost Oct 14 Oct 1 Sep 17
Hard freeze (28°F), median last Apr 27 · first Oct 11

Computed from NOAA 1991–2020 climate normals at the WADSWORTH 4 N 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 Wadsworth 4 N

Computed from Wadsworth 4 N'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 Mar 14 – Mar 28 May 16 – May 23
🫑 Peppers Feb 28 – Mar 14 May 23 – May 30
🥬 Lettuce Mar 28 – Apr 11 Apr 11 – Apr 25 Apr 11 – May 9
🫛 Peas Mar 28 – Apr 11
🥕 Carrots Apr 18 – May 9
🥦 Broccoli Mar 21 – Apr 4 Apr 18 – May 2
🥬 Kale Mar 28 – Apr 11 Apr 11 – Apr 25 Apr 11 – Apr 25
🥒 Cucumbers Apr 11 – Apr 18 May 16 – May 23 May 16 – May 23
🥒 Zucchini Apr 11 – Apr 18 May 16 – May 23 May 16 – May 23
🫘 Green Beans (Bush) May 16 – May 23
🌽 Sweet Corn May 16 – May 23
🌿 Basil Mar 28 – Apr 11 May 16 – May 23 May 23 – May 30
🧄 Garlic Fall: Aug 20 – Sep 17

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 Wadsworth 4 N's dates automatically after a lookup.

Reading the season in Wadsworth 4 N

At about 145 frost-free days, Wadsworth 4 N rewards efficiency: start warm-season crops indoors, favor short-season varieties, and lean on cold-tolerant crops — peas, kale, roots — that shrug off the shoulder-season frosts on either end.

Frequently asked questions

When is the last frost in Wadsworth 4 N, NV?

The average last spring frost in Wadsworth 4 N is around May 9, 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 Wadsworth 4 N, NV?

The average first fall frost in Wadsworth 4 N arrives around Oct 1. 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 Wadsworth 4 N?

About 145 frost-free days on average, from May 9 to Oct 1. That favors short-season varieties and transplants for warm-season crops, with cool-season vegetables doing the heavy lifting in spring and fall.

What USDA zone is Wadsworth 4 N 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.