Frost Dates for Durham, NC 27709

Durham has 9 ZIP codes. The Durham, NC frost page lists all of them with their dates.

Last spring frost April 9 · First fall frost October 28 · 202 frost-free days · USDA Zone 8a

Long season: 202 frost-free days. Spring frost risk spans March 22–April 25 (34 days). Fall frost risk spans October 14–November 11 (28 days).

Frost probability for 27709

Frost10%50%90%
Spring (last frost)April 25April 9March 22
Fall (first frost)October 14October 28November 11

Dates come from NOAA 1971–2000 freeze probabilities at DURHAM (16.7 km away); the 50% date is the median year.

Which crops fit a 202-day season in Durham

In Durham (202 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoMar 5Apr 23–Apr 30160fits: 80 days to maturity, 160 available after Apr 23.Jun 28
PepperFeb 26Apr 23–Apr 30160fits: 75 days to maturity, 160 available after Apr 23.Jul 3
LettuceFeb 12Mar 12–Mar 19237two-plantings: Plant Mar 12 and again by Sep 6; both mature before Nov 4.Sep 6
Carrots—Mar 19–Mar 26244fits: 70 days to maturity, 244 available after Mar 19.Aug 26
CucumberMar 19Apr 23–Apr 30174two-plantings: Plant Apr 23 and again by Aug 1; both mature before Oct 14.Aug 1
Beans—Apr 16–Apr 30188two-plantings: Plant Apr 16 and again by Aug 8; both mature before Oct 21.Aug 8
Peas—Feb 12–Apr 23265fits: 65 days to maturity, 265 available after Feb 12.Aug 17
ZucchiniMar 26Apr 23–Apr 30174two-plantings: Plant Apr 23 and again by Aug 6; both mature before Oct 14.Aug 6
OnionJan 15Mar 12–Mar 26237fits: 100 days to maturity, 237 available after Mar 12.—
Spinach—Feb 12–Apr 2279two-plantings: Plant Feb 12 and again by Sep 25; both mature before Nov 18.Sep 25
KaleJan 29Mar 12–Mar 26251two-plantings: Plant Mar 12 and again by Sep 10; both mature before Nov 18.Sep 10
BroccoliFeb 12Mar 12–Mar 26237fits: 80 days to maturity, 237 available after Mar 12.Aug 2
CabbageFeb 12Mar 12–Mar 26251fits: 70 days to maturity, 251 available after Mar 12.Aug 26
Radish—Feb 12–May 7265two-plantings: Plant Feb 12 and again by Sep 26; both mature before Nov 4.Sep 26
Beets—Feb 12–May 7265two-plantings: Plant Feb 12 and again by Aug 27; both mature before Nov 4.Aug 27
Potatoes—Mar 26–Apr 2223fits: 90 days to maturity, 223 available after Mar 26.—
Garlic—Oct 28307overwinter: Plant Oct 28 to Nov 18; harvest the following summer.Nov 18
Strawberry—Mar 5–Apr 30258perennial: A perennial: plant Mar 5; it fruits from the following year and keeps producing for several years.—
CornMar 12Apr 16–Apr 23174fits: 75 days to maturity, 174 available after Apr 16.Jul 10
PumpkinMar 26Apr 23–Apr 23167fits: 100 days to maturity, 167 available after Apr 23.Jun 15
CauliflowerFeb 26Apr 2–Apr 16216fits: 75 days to maturity, 216 available after Apr 2.Aug 7
Swiss ChardFeb 12Mar 26–Mar 26223two-plantings: Plant Mar 26 and again by Aug 27; both mature before Nov 4.Aug 27
Arugula—Feb 12–May 7279two-plantings: Plant Feb 12 and again by Sep 25; both mature before Nov 18.Sep 25
Brussel SproutsFeb 12Mar 12–Mar 26251fits: 100 days to maturity, 251 available after Mar 12.Jul 27
Butternut SquashMar 26Apr 23–Apr 30167fits: 100 days to maturity, 167 available after Apr 23.Jun 15
EggplantFeb 19Apr 23–Apr 30160fits: 70 days to maturity, 160 available after Apr 23.Jul 8
OkraMar 12Apr 16–Apr 23181two-plantings: Plant Apr 16 and again by Aug 6; both mature before Oct 14.Aug 6
BasilMar 5Apr 30–Apr 30167two-plantings: Plant Apr 30 and again by Aug 1; both mature before Oct 14.Aug 1
Cilantro—Mar 12–Apr 2237two-plantings: Plant Mar 12 and again by Sep 1; both mature before Nov 4.Sep 1
ParsleyJan 29Apr 16–Apr 23202fits: 70 days to maturity, 202 available after Apr 16.Aug 12
CeleryJan 29Apr 16–Apr 30202fits: 120 days to maturity, 202 available after Apr 16.Jun 23
ScallionsJan 29Mar 12–Mar 26251two-plantings: Plant Mar 12 and again by Sep 5; both mature before Nov 18.Sep 5
Turnip—Mar 12–Mar 26251two-plantings: Plant Mar 12 and again by Sep 15; both mature before Nov 18.Sep 15
Kohlrabi—Feb 26–Mar 12265two-plantings: Plant Feb 26 and again by Sep 10; both mature before Nov 18.Sep 10
Bok ChoyMar 12Apr 2–Apr 9216two-plantings: Plant Apr 2 and again by Sep 6; both mature before Nov 4.Sep 6
CollardsJan 29Mar 12–Mar 26251two-plantings: Plant Mar 12 and again by Sep 5; both mature before Nov 18.Sep 5
CantaloupeMar 26Apr 23–Apr 30160fits: 85 days to maturity, 160 available after Apr 23.Jun 23
ChivesJan 15Apr 16–Apr 23216fits: 90 days to maturity, 216 available after Apr 16.—
Dill—Feb 12–May 7265two-plantings: Plant Feb 12 and again by Aug 27; both mature before Nov 4.Aug 27
OreganoJan 29Apr 16–Apr 23216fits: 80 days to maturity, 216 available after Apr 16.—
RosemaryJan 15Apr 16–Apr 23202fits: 80 days to maturity, 202 available after Apr 16.—
SageFeb 12Apr 16–Apr 23216fits: 75 days to maturity, 216 available after Apr 16.—
ThymeJan 29Apr 16–Apr 23216fits: 90 days to maturity, 216 available after Apr 16.—
CalendulaFeb 26Mar 26–Apr 9223two-plantings: Plant Mar 26 and again by Sep 1; both mature before Nov 4.Sep 1
CosmosMar 12Apr 9–Apr 23188two-plantings: Plant Apr 9 and again by Aug 1; both mature before Oct 14.Aug 1
LavenderJan 15Apr 9–Apr 23223fits: 90 days to maturity, 223 available after Apr 9.—
MarigoldsFeb 26Apr 9–Apr 16188two-plantings: Plant Apr 9 and again by Aug 11; both mature before Oct 14.Aug 11
MelonsMar 26Apr 23–Apr 30160fits: 85 days to maturity, 160 available after Apr 23.Jun 23
Mint—Apr 9–Apr 23223fits: 90 days to maturity, 223 available after Apr 9.—
NasturtiumsMar 12Apr 9–Apr 16188two-plantings: Plant Apr 9 and again by Aug 6; both mature before Oct 14.Aug 6
Pole Beans—Apr 16–Apr 30181fits: 65 days to maturity, 181 available after Apr 16.Jul 27
Spaghetti SquashMar 26Apr 23–Apr 30167fits: 90 days to maturity, 167 available after Apr 23.Jun 25
Sunflowers—Apr 9–Apr 23188fits: 70 days to maturity, 188 available after Apr 9.Jul 22
TomatillosFeb 12Apr 16–Apr 23167fits: 75 days to maturity, 167 available after Apr 16.Jul 3
WatermelonMar 26Apr 16–Apr 23167fits: 80 days to maturity, 167 available after Apr 16.Jun 28
Yellow SquashMar 26Apr 23–Apr 30174two-plantings: Plant Apr 23 and again by Aug 6; both mature before Oct 14.Aug 6
ZinniasMar 12Apr 9–Apr 23188two-plantings: Plant Apr 9 and again by Aug 1; both mature before Oct 14.Aug 1

Month by month in Durham

MonthWhat to do
JanuaryStart indoors: Chives (Jan 15), Lavender (Jan 15), Onion (Jan 15), Rosemary (Jan 15), Celery (Jan 29), Collards (Jan 29), +5 more.
FebruaryStart indoors: Broccoli (Feb 12), Brussel Sprouts (Feb 12), Cabbage (Feb 12), Lettuce (Feb 12), Sage (Feb 12), Swiss Chard (Feb 12), +6 more. Direct sow from: Arugula (Feb 12), Beets (Feb 12), Dill (Feb 12), Peas (Feb 12), Radish (Feb 12), Spinach (Feb 12), +1 more.
MarchStart indoors: Basil (Mar 5), Tomato (Mar 5), Bok Choy (Mar 12), Corn (Mar 12), Cosmos (Mar 12), Nasturtiums (Mar 12), +11 more. Direct sow from: Cilantro (Mar 12), Turnip (Mar 12), Carrots (Mar 19), Potatoes (Mar 26). Transplant from: Broccoli (Mar 12), Brussel Sprouts (Mar 12), Cabbage (Mar 12), Collards (Mar 12), Kale (Mar 12), Lettuce (Mar 12), +4 more. Plant: Strawberry (Mar 5).
AprilDirect sow from: Sunflowers (Apr 9), Beans (Apr 16), Pole Beans (Apr 16). Transplant from: Bok Choy (Apr 2), Cauliflower (Apr 2), Cosmos (Apr 9), Lavender (Apr 9), Marigolds (Apr 9), Mint (Apr 9), +25 more. Last frost around April 9.
MayFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
JuneLast sowing dates: Butternut Squash (Jun 15), Pumpkin (Jun 15), Cantaloupe (Jun 23), Celery (Jun 23), Melons (Jun 23), Spaghetti Squash (Jun 25), +2 more.
JulyLast sowing dates: Pepper (Jul 3), Tomatillos (Jul 3), Eggplant (Jul 8), Corn (Jul 10), Sunflowers (Jul 22), Brussel Sprouts (Jul 27), +1 more.
AugustLast sowing dates: Basil (Aug 1), Cosmos (Aug 1), Cucumber (Aug 1), Zinnias (Aug 1), Broccoli (Aug 2), Nasturtiums (Aug 6), +13 more.
SeptemberLast sowing dates: Calendula (Sep 1), Cilantro (Sep 1), Collards (Sep 5), Scallions (Sep 5), Bok Choy (Sep 6), Lettuce (Sep 6), +6 more.
OctoberDirect sow from: Garlic (Oct 28). First frost around October 28.
NovemberLast sowing dates: Garlic (Nov 18).
DecemberClean up spent plants. Add compost to beds. Rest, review, and plan next year's garden.

Frequently Asked Questions

What is the last frost date for Durham, NC (ZIP 27709)?

The median last spring frost date for Durham, NC (ZIP code 27709) is around April 9. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before March 22; one in ten it runs past April 25.

What is the first fall frost date in Durham, NC?

The median first fall frost date for Durham, NC is around October 28. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around October 14 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Durham, NC?

The frost-free growing season in Durham is about 202 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Durham (202 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.

What USDA hardiness zone is Durham, NC?

Durham, NC is in USDA hardiness zone 8a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.

When should I start tomatoes indoors in Durham, NC?

Start tomatoes indoors Mar 5 and plant out Apr 23 in Durham. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Durham?

Two: plant Mar 12 and again by Sep 6; both mature before Nov 4.

When do I plant garlic in Durham?

Oct 28 to Nov 18; it overwinters and is ready the following summer.

Can I get two tomato crops in Durham?

Yes: plant out Apr 23 for a summer crop, and set out a second round of transplants by Jun 28 for a fall crop.

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