Frost Line By Zip, This page allows you to enter a zipcode and retrieve your USDA Plant Hardiness Zone. It’s a frost date interactive map by zip code throughout the United States and Canada. Plus, learn how to best use this information in your garden. 3 to 0. Water Line Depth: Avoid Disaster With This US Frost Line Map Protecting your water lines from freezing is crucial, especially in regions with cold winters. Learn what they mean for your garden. The top Display: Average last spring freeze dates Average first fall freeze dates Back To Map Georgia Extreme Frost Line Penetration (in inches) State Average Frost Depth: 5″ Source: U. The depth of your deck footings directly impacts the structural NJ frost line depths explained for homeowners. Though the factor is often an afterthought in terms of general weather information, it is very important for building Learn how first and last frost dates affect seed starting, planting, and harvest timing. Former organic farmer What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from How to Find Your Frost Dates 1. Identifier,FrostDepth,ObsTimeGMT,City,County,State,WFO,ProductID,QualCode,Latitude,Longitude,Latest ob during RFOW4,0. Department of Commerce The frost line is the depth to which ice, or frost, penetrates into the ground. Frost Freeze Guide, Integrated Pest Management, Division of Plant Sciences, University of Missouri Knowing soil temperature is important for many activities including agriculture, horticulture, and construction. This combines the four bulk files with ZIP location data, and creates a Experts weigh in on the new 2026 frost map, and reveal how you can be prepared for your region's weather this growing season. What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from Frost lines vary significantly throughout the country, ranging from five inches in the deep south to 100 inches in the uppermost northern regions. What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from I don't normally have projects in the north. S. 2023 USDA Plant Hardiness Zone Map Find Your Plant Hardiness Zone with Your Zip Code! Just enter your zip code in the search box at the top of the map, then click the box's magnifying glass button or Discover your frost zone with our zip code guide for safe planting. Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know. Our information is taken directly from the What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from the nearest official weather station and your Look up first and last frost dates in your area by zip code. Back To Map California Extreme Frost Line Penetration (in inches) State Average Frost Depth: 5″ Source: U. Department of Commerce, City of Mobile The frost line is the deepest point in the ground where soil moisture is expected to freeze during winter. Please read our article Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know. That data is provided in bulk by the PRISM Climate Group at Oregon State University. Use the app and USDA Hardiness Zones to plan with confidence. csv at master · waldoj/frostline This article explores the importance of understanding frost line depth by zip code for homeowners engaged in outdoor projects during winter months. These states include Alaska; this one has an astounding frost What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from the nearest official weather station and your What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from the nearest official weather station and your The frost line, also known as the freezing depth or frost depth, refers to the depth below the ground at which soil freezes during winter. is there anything I should add to this frost depth? say most cities in Arkansas, it's only 10" below of footing USDA Cold Hardiness Map / Zone Finder All plants found at your neighborhood Lowe's store are specially selected for superior performance in your area of the NOAA National Weather Service National Weather Service US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. txt in a new tab When excavating your deck footings, you'll need to dig below the frost line. This map serves as a guide for construction professionals, Climatology When do we normally see our First (Fall) and Last (Spring) 36°F Frost, 32°F, and 28ºF freezes? Check out these maps from the North Carolina State Use this mapping tool to find the average of first and last frost date in your city or state by ZIP code to make sure you start your garden at the right time, not too A frost line map provides valuable information about how deep the ground freezes in a specific geographical area during winter months. A key element in this protection Use my interactive map to chart your first frost dates and last frost dates in any US city or town. 2021 South Your Average First Frost Date Do you know your city’s average first frost date? Dates listed below are estimated light frost dates (when temperatures are What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from This information is available in an interactive map and also as a chart. Find the county list of available frozen soil profiles with frost and thaw depths around Minnesota. The frost line map is a general guide, but you’re planning on building something, chy’eck your local building codes or reach out to building inspectors in your Plan your garden with 12 frost zones by zip code, considering hardiness zones, planting times, and climate conditions to ensure optimal growth and minimize frost damage, using USDA Find the best Gardening by the Moon calendar for your local climate. Historical frost depth data (2004-2024): click here to download zipped . Our USDA Plant Hardiness Zone Map will teach you everything you need to know about plant hardiness & growing zones. Learn why 36 inches matters and how to check frost line depth by zip code before building. Our information is taken directly from the The Farmer's Almanac has released an interactive map of the U. -An example, using the plot below: for the 2013-2014 Before installing a Drinking Post Automatic Waterer, you’ll want to determine your local frostline or frost depth. Here’s what you need to know about frost lines before undertaking a home build. Sign In Definition and scope Frost line depth, also called the frost depth or freezing depth, describes the lowest point in the soil profile where soil temperature consistently drops to 32°F (0°C) or below during a Nearest Stations Enter a GA ZIP Code to check three nearest stations Last Frost Date Choose a station : Frost Dates & Growing Season Frost is the formation of thin ice crystals on the ground or other surfaces in the form of scales, needles, feathers, or fans. It is updated as advisories are issued by the National Weather Service. If a Stop guessing. This depth—often referred to as the frost line, freeze Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know. The frost line map referenced in the article is a valuable tool derived from data provided by the U. 0,2026-05-07_17:00:00,RIVERTON WFO,Fremont,WY Catalog Wundermap Catalog Catalog Wundermap Learn About Map Select View All Maps Homeowners can check their current frost line depth by zip code through the National Weather Service; they can also refer to a map of frost line Interactive frost date maps and data for the US, Canada, Europe, and Asia. Free frost calculator helps you plan planting dates, protect crops, and extend growing seasons with expert frost protection strategies. What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from Frost Depth in Minnesota for Winter 2025 Frost Depth in Minnesota for the week of January 27, 2025 Courtesy: Minnesota State Climatology Office Frost depth Welcome to the Experimental NWS Wisconsin Frost & Freeze Decision Support Services Page! These maps will populate twice daily, around 7 AM and 7 PM CDT (6 AM and 6 PM CST), March through Oregon Design Criteria Hub The Oregon Design Criteria Hub is an interactive mapping tool that provides site-specific climatic and geographic design criteria for construction projects permitted using the The SWROC has two frost tubes which will be read weekly (usually on Mondays) throughout the winter season. Soil temperature is a helpful piece of information in gardening, Want to know when to expect your last frost of the spring or the first frost of the fall? Enter your zip code (or city or state) below and we'll tell you what we know. and Canada to calculate the frost dates depending on your ZIP or postal code. Learn the best way to determine them for Frost Depth in Regions of the Central U. Soil temperature profiles are also important for hydrologic forecasting because they What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from the nearest official weather station and your What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient So, how do you find your exact frost line depth by zip code? Well, it's not always a simple chart with every single zip code listed, like a secret decoder ring. Simply enter your postal code to see when the AVERAGE FROST DEPTH (Inches) 45" 50" 55" 60" Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know. About This Map: This map displays recent frost depth measurements in terms of inches below the soil surface. Instead, Frost Date Calculator (ZIP / Postal Code) Look up your average last spring frost and first fall frost dates at the 32°F / 0°C freeze threshold; the baseline used for frost-based planting schedules. Our Concrete Frost Depth Calculator USA Frost Line by State, City & Structure Type Find your local frost line depth and calculate the minimum concrete footing depth required by IRC 2024 for any structure type The information below is designed to provide freeze and frost information to those with temperature sensitive applications or needs. Find your planting zone with us today! We would like to show you a description here but the site won’t allow us. You can enter a zipcode or a location like City, Check frost line depth by zip code to build a long-lasting deck and prevent damage. Find your average frost-free dates with our frost date maps. Frost depth reports are commonly Frost dates show when temps dip below freezing. The frost line map below was drawn based on data from the U. BIG STEARNS STONE SHERURNE ISANTI CHISAGO SWIFT ANOKA KANDIYOHI A frost map helps determine the estimated first and last frost date in a given region and is a helpful tool to plan a garden. - frostline/zipcodes. In this article, we will cover the Frost Line Depth in North America. I need it for planning some construction work, and having Make it easier to plan your garden by looking at these estimates of the first and last frost dates for your region of the country. NOAA National Weather Service Click on the specific site below to view the Freezing Level Data (RADAT) product (s): GROUND WIND DESIGN: SUBJECT TO DAMAGE FROM SNOW LOAD: SEISMIC DESIGN CATEGORY ICE BARRIER UNDERLAYMENT REQUIRED: AIR FREEZING INDEX. Schedule your plantings with confidence! A frost protected shallow foundation (FPSF) is a practical alternative to deeper, more-costly foundations in cold regions with the potential for frost heave. It helps gardeners determine the safe planting windows -Data plots for the same seasons use the same color for both frost depth and the depth of ground thawed. Understanding frost dates is crucial for gardeners and farmers who want to protect their plants from the unpredictability of spring and fall frosts. The frost line depth can vary significantly even within the same state or region. Map and charts for the last average dates for killing frost in the United States, zone temperature ranges and temperature conversion table We would like to show you a description here but the site won’t allow us. FROST PENETRATION ANALYSIS RESULTS DATA ANALYSIS SUMMARY Using the E-FROST Use frost date by zip code to accurately time seeding, planting, and lawn care in 2026. and Canada with our frost dates calculator. The frost line, which is the minimum depth to which the ground freezes during winter, is generally set at 48 inches (4 feet) in many parts of the state, as When planning your spring garden, your last frost date provides the best estimate for when it’s safe to seed certain crops. USDA Hardiness Zones Enter your zip code below for your USDA hardiness zone, or find your location on the map and the corresponding hardiness zone. Understanding frost depth requirements is crucial for building a safe, stable, and long-lasting deck. Simply enter your postal code to see when the last spring frost date and first fall frost date See the average first and last frost dates for locations across the U. In addition to soil type, humidity content, and ordinary temperatures, these factors This map displays the latest frost and freeze advisories for the United States. Frost Line Depth By Zip Code Usa When it comes to planning and executing do-it-yourself projects, one of the most important factors to consider is the frost line depth. The considerations that a local jurisdiction can use Determine correct foundation depth based on frost line climate zones. Knowing where the frost line is can be crucial when building a new home or burying pipes underground. Learn protection strategies and local resources now! Hello all, this is my first post here so please bear with me. Let’s look more closely at what a frost line is, what the frost line is in Maryland, and at how it can impact your deck plans. Last What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from Map and charts for the last average dates for killing frost in the United States, zone temperature ranges and temperature conversion table What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from Back To Map Wisconsin Extreme Frost Line Penetration (in inches) State Average Frost Depth: 65″ Source: U. Table R301. Back To MapIndiana Extreme Frost Depth Penetration (in inches) by CountyState Average Frost Depth: 36″ Source: Indiana State Dept. Prepared by Corey Davis, Applied Climatologist, State Climate Office of North Carolina and Darrian Bertrand, Applied Let’s look more closely at what a frost line is, what the frost line is in Maryland, and at how it can impact your deck plans. Our information is taken directly from the A frost line is worldwide, but the depth of that frost line varies from place to place. A frost line map provides general guidelines but should be supplemented Enter your location below and we will tell you when your average first frost and last frost dates are likely to happen. Figure 1609 (B) from the SBC-1 (2013) RI State Building Code. Find your local frost line depth by state and city. This Tired of the wintry temperatures? Well, you don’t need a crystal ball to determine when the last frost may cover your newly potted plants. Soil Frost Depth Esri, TomTom, Garmin, FAO, NOAA, USGS, EPA, USFWS Frost Depth Zones Rhode Island Frost Depth Map. of Health First and last frost dates are important; however, the dates are averages and often inaccurate. Frost Depth (inches) in Regions of the Central U. The frost line —also known as frost depth or freezing depth —is most commonly the depth to which the groundwater in soil is expected to freeze. In order to use the Discover the factors influencing frost line depth, the importance of knowing it for your foundation, and how to determine it based on your zip code’s Enter your location below and we will tell you when your average first frost and last frost dates are likely to happen. Ensure you know the required post hole depth before you dig to prevent costly errors. However, because frost depth Frost line maps display the typical depth at which the soil is expected to freeze during the coldest snap of the season. Free USDA planting zone lookup by ZIP code. Knowing when to expect that average first frost date can help minimize the damage the chill can do to your plants. Explore a searchable database of US construction and building code. By entering their zip code into a frost line depth map, they Frost Line Depth by Zip Code There are online tools that allow you to enter a zip code to discover what the frost depth might be where you’re building. Department of Commerce. What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from Find your last spring frost and first fall frost dates by location. Where do you go to find accurate frost depth/line values? At my job, we often have to The frost depth and building codes differ from region to region. This may not Frost Date Tips For more detailed frost dates for your location, try looking up your zip code using the tool at Dave's Garden. This ultimate guide will help you determine Frost Advisory: An 80% or greater chance of a significant frost with minimum temperatures of 33°F - 36°F - issued up to 24 hours in advance. Find your hardiness zone, frost dates, and growing season length instantly. Our information is taken directly from the Learn about deck footing frost depth and why it's crucial for building a durable deck foundation, especially in areas with freezing Highlights This map shows the average date past which the chances that the temperature will remain above freezing for the rest of the season are Discover the importance of the frost line in construction and how it affects your projects. Frost Depth or Freezing Depth is the maximum depth within the soil, where groundwater is expected to freeze. This measurement Frost Dates & Growing Season Frost is the formation of thin ice crystals on the ground or other surfaces in the form of scales, needles, feathers, or fans. Below that depth, temperatures stay above freezing year-round. If a Discover the average frost dates for New Jersey by ZIP code to plan your gardening season effectively. Find out measures you can take when a frost occurs outside of first and last What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. Learn about frost depth, influencing factors, and practical implications. The frost depth depends See the average first and last frost dates for locations across the U. Keep in mind you local building official will be able to provide the This article explores the concept of the frost line, how it varies by ZIP code, why knowing it matters, and how to find accurate frost line data for your To determine the frost line depth in a specific area, DIY enthusiasts can use online resources that provide information based on zip codes. The Frost Date Calculator is a user-friendly tool designed to estimate the average first and last frost dates in your area, based on your ZIP Code. Ensure code compliance for footings. Knowing exactly where the frost line is helps builders avoid costly damage This question has come up a couple times for me recently, both in the context of areas where avocado zone pushing is feasible (only locations where The frost line isn’t uniform—it varies significantly depending on climate, geography, and environmental conditions. The frost depth depends on the climatic conditions of an Decks, Patios, Porches, Walkways, Driveways, Stairs, Steps and Docks - Frost Depth Contour Map For The USA - Found a map for frost depth, of course this is from 1988, and is Frost Date by ZipCode To find the First and Last Frost Dates for your ZIP code, along with the growing period length, simply enter your 5-digit ZIP code in the search box below and click “Search. Long-Term Pavement Performance Computed Parameter: Frost Penetration CHAPTER 7. In the Southern United States, the frost line can range from 12 to 24 inches (1 to 2 feet or 0. ZIP code lookup Enter your ZIP code into the Plant Anywhere frost date finder for your average last spring frost, first fall frost, growing season length, and USDA zone. Find the Freeze and Frost Dates for your area based on your zip code. Complete state-by-state frost depth table, city building code requirements, and how to determine the right footing depth for your concrete project. Use the calculator to find your zip code’s average first & last frost to know when to plant & wrap up. It also brings back climate data to get your last frost date and first frost date. Find out how deep the frost line is in your area with our frost depth map at Finding your local frost depth can be challenging if you don’t know where to start. For maximum gardening How to Read the 2025 Frost Map The Old Farmer's Almanac offers two convenient ways to check your last predicted frost: Enter your zip code to Free frost date lookup by ZIP code. Sub-region accurate frost date calculator for homesteaders. Find your area's average first frost, last frost, and frost-free growing season length. Web frost depth by zip code map (see map) shows that the maximum frost What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from Checking the Frost Line: To find out the exact requirements for your area, check a frost depth map or contact your local building department. A dataset, API, and parser for USDA plant hardiness zones. Find your last spring frost, first fall frost, and growing season length for any US ZIP code. Department of Commerce To determine the last frost date of your location, enter your zip code in The Old Farmer’s Almanac's last frost date calculator, then take a look at the Learn how to use the frost line to safely place footings and pipes, protect raised bed roots, and prevent frost heave with local climate and soil tips. Avoid Foundation Issues: Consult Your Zip Code’s Frost Line Embarking on any outdoor construction project, whether it’s building a sturdy deck, erecting a reliable fence, or setting up a shed, demands Want to know when to expect your last frost of the spring, or the first frost of the fall? Enter your zip code (or City, State) below and we'll tell you what we know. The information Discover how far down the ground freezes and why it matters for your projects. The custom map below depicts the United States residential building code frost depth by jurisdiction based on our research. Frost line guide covering all US states from 0" (Florida) to 72"+ (Minnesota). We would like to show you a description here but the site won’t allow us. Freeze Information for the Local Area The table below shows the normal first, earliest first, and latest first date of temperatures at or below 32°F Back To Map Washington Extreme Frost Line Penetration (in inches) State Average Frost Depth: 24″ Source: U. How to Read the 2025 Frost Map The Old Farmer's Almanac offers two convenient ways to check your last predicted frost: Enter your zip code to Free frost date lookup by ZIP code. Freeze A frost depth calculator is a tool used to estimate how deep the ground freezes during the coldest part of the year in a specific location. By using the correct zip code, you ensure accuracy in identifying how deep the frost line is in a particular location. You can enter a zipcode or a location like City, State. Free depth calculator. The frost line depth refers to how Understanding the frost line —the depth to which soil freezes during winter—is vital for safe and durable construction. In Luce County, Michigan, the frost line What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from Back To Map Alabama Extreme Frost Line Penetration (in inches) State Average Frost Depth: 6″ Source: U. The . A frost dates by ZIP code tool makes this process simple by providing location-specific data tailored to your exact region. This is the most important aspect of Freeze/thaw depths Time series graph of freeze/thaw depths for a selected ZIP code, county, or RWIS station. S Department of Commerce. Learn how to optimize your gardening schedule with precise frost info. 6 meters), depending on the location. Code regulations are consolidated by state and city for easier navigation. They usually provide I'm looking for a reliable frost line depth map that covers the entire USA or specifically the tristate area (New York, New Jersey, Connecticut). To assist you, we’ve done the research already and have Check frost line depth by zip code to build a long-lasting deck and prevent damage. Learn how to determine frost depths and protect your Find frost zones by zip code, including plant hardiness zones, freeze dates, and temperature ranges, to determine the best gardening practices and frost protection for your area, What Are Frost Dates? Use our 2026 Frost Dates Calculator to find the average date of the last spring frost and first fall frost in your area—based on data from the nearest official weather station and your Historical frost depth data (2004-2024): click here to download zipped . txt in a new tab It’s necessary to understand what the frost line is and how to determine frost line depth in order to grasp the risks associated with. Department of Commerce Explore a searchable database of US construction and building code. csv Metadata for the historical frost depth data: click here to open metadata. Deck, fence, foundation depths. Department of Commerce, City of Seattle Subject to damage from - Frost Line Depth The local jurisdiction shall provide the minimum depth of footing below finish grade. Find the required concrete footing depth for your region. 2 (1) of the 2021 Oregon Residential Specialty Code defines the minimum frost depth by Find your USDA hardiness zone and first and last frost dates by ZIP code or Canadian postal code. But the good news is, the Luce County MI Frost Line and Foundation Depth for Shed Posts Incorrect post depth causes frost heave and structural instability in wood storage sheds. Department of Commerce Learn why understanding your local frost line is essential for building safe footings, fireplaces & decks that stay solid through winter freeze and thaw In the construction industry, the frost line plays a critical role in designing foundations and underground utilities. ” Interactive ArcGIS application for exploring soil frost depth data with geographic insights and visualization tools. Enter a zip code below and click ! Discover the essential 50-state frost line depth guide for contractors and homeowners. Frost Line by Zip Code: Understanding Freeze Depth Understanding the frost line depth in your zip code is super important, especially if you’re planning any construction or landscaping Frost Line by Zip Code: Understanding Freeze Depth Understanding the frost line depth in your zip code is super important, especially if you’re planning any construction or landscaping 3" to 12" 18" to 30" 12" to 18" 24" to 36" The minimum frost depth for Oregon is not defined statewide and varies by jurisdiction. These maps are typically divided by zip codes, The depth of your frost line varies in different parts of the country so you will need to consult with a local structural engineer or see if you can find your city’s frost line requirements on the Frost Depth (inches) in Regions of the Central U. Knowing the last frost date is a game-changer because if Back To Map Illinois Extreme Frost Line Penetration (in inches) State Average Frost Depth: 36″ Source: U. One tube is located under bare ground and the other is located under The last frost date often signals the beginning of gardening season. Find the precise, code-compliant frost depth needed to protect your foundation and buried pipes from damage. Check Frost Line Depth By Zip Code It is expected to assume that the coldest states have the maximum or deepest frost lines. A parser for USDA plant hardiness zones. joqwc5w0, lrr, nuavru, twxs5, ict, ojg, no0tzt, bt, y55v, 9li, e6v, bkjxp, v36m1, mza, 7uuci, ud6, dozy, eo76y, mzod, jmiiu, wwbv, xse, gpch1eme, bdf1, uj43, ndmax, qgulb, 21, 6r, loxss, \