Discover your North Carolina growing zone with the 2023 USDA map. Learn frost dates, planting calendars, and the best vegetables, fruits, flowers, and natives for the mountains, Piedmont, and coast.
Gardening in North Carolina might mean heirloom beans on a Blue Ridge hillside, peppers and tomatoes blazing through a hot Charlotte summer, or camellias and live oaks catching salt-scented breezes near Wilmington. North Carolina planting zones stretch from chilly Appalachian peaks to almost subtropical barrier islands, so what thrives in Boone won’t be the same as what loves Atlantic Beach.
Using the updated 2023 USDA Plant Hardiness Zone Map (based on 1991–2020 winter lows), North Carolina spans roughly zones 6a to 9a. The coolest pockets hug the northwestern mountains, while the warmest zones follow the southeastern coast and Outer Banks. A hardiness zone is simply a way to describe your average annual extreme minimum temperature, so you can quickly see which plants can reliably survive winter in your garden.
This guide will help you understand your North Carolina growing zone, read the 2023 USDA map, time your planting around frost dates, and choose the best plants for your part of the Tar Heel State.
North Carolina runs from high Appalachian ridges and cool coves, across rolling Piedmont clay, through the Sandhills, and out to the flat, breezy Coastal Plain and Outer Banks. That mix of elevation, latitude, and ocean influence creates several distinct gardening climates. According to the 2023 USDA Plant Hardiness Zone Map, North Carolina’s plant hardiness zones range from 6a to 9a, with much of the state now mapped about a half-zone warmer than older charts.
The 2023 USDA Plant Hardiness Zone Map is built from 30-year averages (1991–2020) of the coldest winter temperatures. It’s the national standard gardeners use to choose trees, shrubs, and perennials that can reliably survive winter in their area.

A simplified North Carolina planting zone map based on the 2023 USDA Hardiness Zone Map, using 1991–2020 climate data.
Use the map together with your ZIP code to pinpoint your exact North Carolina garden zone. Look up your North Carolina planting zone by ZIP code using the USDA tool, then come back here or explore our Plant Finder to discover plants matched to your zone, sun exposure, and soil.
Although North Carolina’s planting zones run from about 6a to 9a, local conditions—mountain hollows, city heat islands, river bottoms, and ocean breezes—create countless microclimates. Thinking regionally makes it easier to match plants and planting dates to your yard.
This region includes the highest, coolest parts of western North Carolina—Boone, Blowing Rock, Banner Elk, and the higher ridges around Asheville. Winters are long and crisp, summers pleasantly warm, and late frosts are common.
Hickory, Morganton, Shelby, and other foothill communities bridge the cooler mountains and the warmer central Piedmont. Winters are relatively mild, and the growing season is longer than in the High Country.
Charlotte, Greensboro, Winston-Salem, and the broader Triad and Triangle metro areas form North Carolina’s bustling urban and suburban belt. Summers are warm and humid, winters are moderate, and the frost-free season is comfortably long. Many neighborhoods map to 7b–8a, while the warmest inner-city pockets, especially around Raleigh and Durham, can behave more like 8a–8b.
From Fayetteville and Pinehurst to Goldsboro, Rocky Mount, and Wilson, sandy soils and warm temperatures define this region. Winters are mild, and heat-loving plants thrive.
Wilmington, Jacksonville, New Bern, Morehead City, Elizabeth City, and the Outer Banks are strongly influenced by the Atlantic Ocean and sounds. Frosts arrive later and end earlier here than anywhere else in the state.
From breezy mountain overlooks to sheltered Wilmington backyards, frost dates are your best planning tool. Whether you’re gardening in Asheville, Greensboro, Raleigh, Charlotte, or along the coast, your average last and first frosts help you decide when to sow cool-season crops, set out tender seedlings, and be ready with row covers in fall.
Across North Carolina, last spring frosts generally run from late March near the warmest coastal areas to mid–late April (and even early May) in higher elevations. First fall frosts often arrive from early–mid October in the mountains to late November or even early December along the southern coast.
| Region / City | Average Last Spring Frost | Average First Fall Frost | Approx. Frost-Free Days |
|---|---|---|---|
| Asheville (Southern Appalachians) | Mid–Late April (around Apr 11–20) | Late October (around Oct 21–31) | ~190–200 days |
| Greensboro (Central Piedmont / Triad) | Early April (around Apr 1–10) | Late October–Early November (around Oct 25–Nov 5) | ~200–210 days |
| Raleigh (Triangle / Inner Coastal Plain) | Early April (around Apr 1–10) | Early–Mid November (around Nov 1–10) | ~210–220 days |
| Charlotte (South-Central Piedmont) | Early April (around Apr 1–10) | Early–Mid November (around Nov 1–10) | ~210–220 days |
| Wilmington (Southeast Coast) | Late March (around Mar 21–31) | Late November (around Nov 21–30) | ~240–250 days |
Dates summarized from regional climate and frost-date tools; always check a local forecast and ZIP code–based lookup for the most precise information for your garden.
Use these frost windows as planning guides—your yard may act warmer or cooler depending on slope, altitude, wind, nearby pavement, and buildings. They’re long-term averages, not guarantees, so watch the forecast closely during spring warm-ups and autumn cold snaps.

Once you know your North Carolina planting zone, you can lean into your region’s strengths—cooler mountain summers, long Piedmont autumns, or nearly frost-free falls along the coast. Focus on cold-hardy perennials for your zone (6–9) and heat- and humidity-tolerant annuals and vegetables, and pair them with soil-building practices that match your local conditions.
Many North Carolina native plants are perfectly tuned to local soils, rainfall, and winter lows. Combine native wildflowers, grasses, shrubs, and trees for a low-maintenance, wildlife-friendly landscape that supports pollinators and songbirds while tolerating North Carolina’s hot summers and occasional droughts.
Explore curated lists like great pollinator plants for North Carolina, monarch nectar plant collections, and guides to native grasses, shrubs, ferns, and vines to build a garden that buzzes and flutters from spring through fall.
Tap a month to see what to plant in North Carolina by zone. Use these quick guides as a starting point—then adjust for your exact frost dates and whether you garden on a cool mountain slope, a warm city balcony, or a breezy coastal patio.
North Carolina gardeners juggle humidity, summer thunderstorms, red Piedmont clay, mountain rocks, coastal sands, deer pressure, and the occasional tropical storm. These tips will help your garden thrive from zone 6a to 9a:
Now that you understand your North Carolina planting zone, frost dates, and regional climate, you’re ready to choose plants that love your conditions and build a thriving Tar Heel garden. Mix edible crops, flowering perennials, and native plants for a landscape that feeds both your household and local wildlife. Curious how North Carolina compares to other states? Visit our national USDA planting zone guide to explore growing zones across the United States.
Key zone and climate information in this article is based on the 2023 USDA Plant Hardiness Zone Map and North Carolina climate resources from NC State Extension and related tools.

North Carolina spans USDA hardiness zones 6a to 9a on the 2023 map. The coldest zones (6a–6b) are in the northwestern mountains, most Piedmont and Sandhills areas are 7b–8b, and the warmest coastal and Outer Banks communities reach 8b–9a. Always confirm your exact zone by ZIP code with the USDA tool.
Most of Raleigh now falls in USDA zone 8a on the 2023 map, with some nearby areas edging into 8b. That means average winter lows are about 10–15°F, giving Raleigh a long frost-free season well suited to warm-weather vegetables, figs, peaches, crape myrtles, camellias, and many broadleaf evergreens.
Charlotte is generally in USDA zone 8a, with some surrounding higher spots in 7b. Winters are mild and brief, so gardeners enjoy a long growing season. You can grow most standard vegetables plus heat-lovers like okra and sweet potatoes, along with hydrangeas, gardenias, magnolias, and other classic Southern ornamentals.
Asheville, nestled in the Southern Appalachians, sits mostly in USDA zone 7a, with nearby higher elevations in 6b. Winters are cooler and longer than in the Piedmont, and average last frost is mid–late April. Cool-season crops, small fruits, and hardy perennials excel here; warm-weather crops need a head start indoors.
Wilmington and much of the lower Cape Fear region are in USDA zones 8b to 9a. Winters are very mild, with last frost usually in late March and first frost in late November. The long, warm season supports heat-loving vegetables, figs, persimmons, camellias, sago palms, and even some cold-hardy citrus in protected spots.
Use the official USDA Plant Hardiness Zone Map and enter your ZIP code in the search bar. The tool shows your zone based on 30-year averages of the coldest winter temperatures. Because microclimates matter, compare the map with your yard’s elevation, slope, wind exposure, nearby pavement, and tree cover to fine-tune your plant choices.
Updated: December 2025
| Hardiness |
6 - 9 |
|---|---|
| Native Plants | United States, Southeast, North Carolina |
| Hardiness |
6 - 9 |
|---|---|
| Native Plants | United States, Southeast, North Carolina |
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Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
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