2026 Last Frost Date Map: Is Your Frost Date Changing?

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The Old Farmer's Almanac Frost Date Map 2026
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The 2026 Old Farmer's Almanac

What the 2026 Frost Map Means—and Why It Matters for Gardeners

Written By: Catherine Boeckmann Executive Digital Editor and Master Gardener
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Planting earlier—or later? Every spring, gardeners wait for the last frost date to pass. For the 2026 season, The Old Farmer’s Almanac is unveiling something new to help you plan: the Last Frost Date Map. Rather than relying only on historical averages, this predictive tool shows when freezing temperatures are expected to end this spring. By blending long-range weather forecasts with gardening expertise, the Almanac offers a clearer picture of frost timing—helping you plan the start of the growing season with confidence.

2026 Last Frost Date by Region

The Old Farmer’s Almanac 2026 Frost Map. Image use: Must link to www.Almanac.com/Frost-2026

We created this new map because gardeners today want more than averages—they want insight into this year’s conditions. The weather has become more erratic, and while the traditional frost dates remain a trusted foundation, we saw an opportunity to provide another layer of guidance. 

What Makes It Different

By blending our long-range weather forecasts with gardening expertise, the Almanac can offer gardeners a clearer picture of when frost is likely to end in 2026. In most cases, the predictions differ by only a week or two from the long‑term averages—sometimes earlier, sometimes right on track, and sometimes later. That may sound like a small variance, but for gardeners eager to get cool‑season crops in the ground, those few days can make a difference. 

Why It Matters for Gardeners

We’re gardeners, too, and we know what it means to have this information: in certain areas, it allows you to get a jump on the planting season; in other areas, it helps you avoid disaster! This map is designed to guide your earliest plantings—especially frost‑tolerant vegetables and flowers that thrive before consistently warm weather arrives.

How to Read the Map

This 2026 Last Frost Date Map is designed to guide your earliest plantings—especially frost‑tolerant, cool‑season crops that can go into the ground before warm weather arrives. (Note: The map is not intended to guide planting for warm‑season crops like tomatoes, peppers, cucumbers, squash, beans, or basil, which require consistently warm soil as well as frost‑free nights.)

The map is divided into three color‑coded areas. Use your location’s color to understand how the timing of the last spring frost may compare to the long‑term average:

ColorMeaningDescription
Green AreasEarlier Than NormalIf your region is shaded green, the last spring frost is expected to arrive earlier than average—potentially a week or two.
Yellow AreasNear NormalIf your region is shaded yellow, the last spring frost is expected to be close to the historical average, give or take a week.
Blue AreasLater Than NormalIf your region is shaded blue, the last spring frost is expected to arrive later than average—again, usually by a week or two.

So, When Is Your Last Frost? 

To find your specific date, start with the Frost Date Calculator, which gives the historical average last frost date for your ZIP code (based on 30‑year climate records). Then adjust:

  • Subtract a week or two if your region is shaded green.
  • Add a week or two if your region is shaded blue.
  • Stay close to the average if your region is shaded yellow.

Use this 2026 Last Frost Date Map to fine‑tune early‑season plans for cool‑season crops and spring preparation in your area. Pair it with the Almanac’s Planting Calendar to understand typical planting windows for many crops.

Regional Highlights from the 2026 Last Frost Date Map

The map shows broad swaths of green, yellow, and blue. Here’s how the regions shape up across the U.S. and Canada this year:

RegionDescription
United States 
NortheastGreen (earlier than normal) across Boston, Massachusetts, and much of New England.
Atlantic CorridorGreen (earlier than normal), including New Jersey, New York City, and Philadelphia
SoutheastGreen (earlier than normal) across Georgia, South Carolina, and North Carolina—expect a longer spring planting window
FloridaBlue (later than normal) in central areas near Orlando; yellow (near normal) in the north around Jacksonville and in the southern tip of the state.
AppalachiansYellow (near normal)
Ohio ValleyGreen (earlier than normal) across Kentucky and southern Indiana; yellow (near normal) in central/southern Ohio, Western Virginia, and Pittsburg.
Deep SouthYellow overall (near normal)
Upper MidwestYellow overall (near normal); blue (later than normal) at the northern tips
Lower LakesYellow (near normal) throughout Michigan and major cities along the Great Lakes, including Chicago.
HeartlandGreen (earlier than normal), including St. Louis and Kansas City; yellow (near normal) in northern Iowa
Texas–OklahomaTexas–Oklahoma: Green (earlier than normal) in the north near Oklahoma City; yellow (near normal) in central zones; blue (later than normal) in the south near Houston
High PlainsYellow (near normal) across Nebraska, the Dakotas, and eastern Colorado, including Denver.
IntermountainBlue (later than normal) across Idaho, eastern Oregon and Washington, northern Utah and Nevada, and far western Colorado.
Mountain WestBlue (later than normal) in northern Montana; yellow (near normal) elsewhere.
Pacific NorthwestYellow (near normal) across Seattle, Portland, and coastal zones.
Pacific SouthwestGreen (earlier than normal) across California and desert regions, including Los Angeles, Phoenix, and Las Vegas.
Canada 
Southern British ColumbiaBlue (later than normal).
PrairiesYellow overall; blue in eastern areas.
Southern OntarioBlue (later than normal).
Southern QuebecYellow (near normal).
Atlantic CanadaYellow overall; green in southern Nova Scotia.

Gardening Tips Based on Your Map Color

If Your Area Is Green (Earlier Than Normal) 

An earlier‑than‑normal last frost suggests that freezing temperatures may end sooner than average. This can create opportunities for earlier garden activity, but it does not eliminate the risk of occasional cold nights.

  • Get a head start: You may be able to plant cool‑season crops (peas, lettuce, spinach) a week or two earlier than usual.
  • Have frost protection ready: Even in an early year, brief cold snaps are possible. Row covers, cloches, and cold frames can protect seedlings during chilly nights.
  • Check soil temperature: Frost may be over, but the soil can still be cold. Hold off on warm‑season crops until the ground feels consistently warm.
  • Begin hardening off seedlings gradually: If you’ve started plants indoors, slowly acclimate them to outdoor conditions before transplanting.
  • Plan with confidence: Use the Almanac Garden Planner to map out beds, schedule succession plantings, and make the most of your early start.

If Your Area Is Yellow (Near Normal) 

When expected frost timing is close to average, spring conditions are more likely to follow familiar patterns. This is a good year to rely on standard planting windows.

  • Stick with your average: Use the Frost Date Calculator for your ZIP code and plant as you normally would.
  • Stay alert: Keep an eye on local forecasts—spring can still surprise you with a late frost.
  • Prep your soil: With timing on track, focus on enriching beds, adding compost, and sharpening tools.
  • Observe conditions: Soil that’s soggy or cold underfoot may delay germination, even if frost risk has passed.

If Your Area Is Blue (Later Than Normal) 

A later‑than‑normal last frost increases the risk of early outdoor planting, even for some cool‑season crops, especially if soils remain cold and wet.

  • Delay outdoor planting to avoid frost injury: Planting too early in a late‑frost year can damage or kill seedlings, even frost‑tolerant ones. Don’t worry—plants will catch up once conditions improve.
  • Expect cold, wet soil to slow growth: Cool temperatures and excess moisture can stress plants and lead to poor establishment.
  • Use raised beds to improve conditions: Raised beds drain excess water more quickly and warm sooner, making them a safer option in a delayed spring.
  • Use season protection tools if planting early: Cold frames, row covers, and cloches can help protect young plants when frost risk remains high.
  • Keep warm‑season crops indoors longer: Tomatoes, peppers, and other tender crops should not be transplanted until frost danger has passed and soil temperatures are consistently warm.
  • Choose hardy varieties: Opt for cold‑tolerant cultivars of greens or brassicas that can better withstand chilly soil.
  • Mulch for moderation: A thin layer of straw or shredded leaves can insulate soil, reduce excess moisture, and stabilize temperature swings.
  • Stagger plantings: Spread out sowings over several weeks. If early seedlings struggle, later ones can thrive once conditions improve.
  • Monitor drainage: In a late spring, waterlogged soil is a bigger risk. Check beds after rain and improve drainage where needed to avoid root rot.

See six ways to protect plants from frost and extend the growing season.

Tips for Everyone 

As gardeners, we know the precautions don’t change—whether frost ends early, late, or right on time. Think of this as a refresher on the steps you should always take.

  • Watch the weather: Nighttime lows are often the best clue for frost risk. Learn more about how to predict frost.
  • Observe your garden: Soil that feels cold and wet may not be ready for tender seedlings.
  • Know your crops: Cool‑season plants can handle a chill, but warm‑season favorites (tomatoes, peppers, basil) need frost‑free nights and warm soil.
  • Soil temperature is the gold standard: If you’d like the most precise measure, check out our Germination Temperature Chart to see the ideal soil temperature for each vegetable.
  • Use the Almanac Garden Planner: No matter where you live, it helps you design beds, schedule plantings, and succeed all season long.

Looking Ahead

The 2026 Last Frost Date Map doesn’t replace the averages you’ve always trusted—it adds a layer of insight for this year’s garden. Think of it as another tool in your shed. Whether your area is blue, green, or yellow, the advice is the same: watch the weather, trust your soil, and protect tender plants. Gardening has always been about patience and adaptation; this map helps you begin your gardening season with a clearer picture and to plant with confidence.

About The Author
Catherine Boeckmann

Catherine Boeckmann

Executive Digital Editor and Master Gardener

Catherine Boeckmann is the Executive Digital Editor of Almanac.com, the website companion of The Old Farmer's Almanac. She covers gardening, plants, pest control, soil composition, seasonal and moon c...