Frost Dates for Beaufort, SC 29906

Last spring frost March 23 · First fall frost November 8 · 230 frost-free days · USDA Zone 9a

ZIP 29906 has about 25,300 people, the largest of 4 ZIP codes in Beaufort.

Long season: 230 frost-free days. Spring frost risk spans March 2–April 14 (43 days). Fall frost risk spans October 21–November 24 (34 days).

Frost probability for 29906

Frost10%50%90%
Spring (last frost)April 14March 23March 2
Fall (first frost)October 21November 8November 24

Dates come from NOAA 1971–2000 freeze probabilities at WALTERBORO 1 SW (49.4 km away); the 50% date is the median year.

Frost dates by ZIP code in Beaufort, SC

ZIPLast spring frost (50%)First fall frost (50%)Zone
29906March 23November 89a
29902March 9December 79a
29907March 9December 79a
29904March 23November 89a

Which crops fit a 230-day season in Beaufort

In Beaufort (230 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
TomatoFeb 16Apr 6–Apr 13188fits: 80 days to maturity, 188 available after Apr 6.Jul 9
PepperFeb 9Apr 6–Apr 13188fits: 75 days to maturity, 188 available after Apr 6.Jul 14
LettuceJan 26Feb 23–Mar 2265two-plantings: Plant Feb 23 and again by Sep 17; both mature before Nov 15.Sep 17
Carrots—Mar 2–Mar 9272fits: 70 days to maturity, 272 available after Mar 2.Sep 6
CucumberMar 2Apr 6–Apr 13202two-plantings: Plant Apr 6 and again by Aug 12; both mature before Oct 25.Aug 12
Beans—Mar 30–Apr 13216two-plantings: Plant Mar 30 and again by Aug 19; both mature before Nov 1.Aug 19
Peas—Jan 26–Apr 6293fits: 65 days to maturity, 293 available after Jan 26.Aug 28
ZucchiniMar 9Apr 6–Apr 13202two-plantings: Plant Apr 6 and again by Aug 17; both mature before Oct 25.Aug 17
OnionDec 29Feb 23–Mar 9265fits: 100 days to maturity, 265 available after Feb 23.—
Spinach—Jan 26–Mar 16307two-plantings: Plant Jan 26 and again by Oct 6; both mature before Nov 29.Oct 6
KaleJan 12Feb 23–Mar 9279two-plantings: Plant Feb 23 and again by Sep 21; both mature before Nov 29.Sep 21
BroccoliJan 26Feb 23–Mar 9265fits: 80 days to maturity, 265 available after Feb 23.Aug 13
CabbageJan 26Feb 23–Mar 9279fits: 70 days to maturity, 279 available after Feb 23.Sep 6
Radish—Jan 26–Apr 20293two-plantings: Plant Jan 26 and again by Oct 7; both mature before Nov 15.Oct 7
Beets—Jan 26–Apr 20293two-plantings: Plant Jan 26 and again by Sep 7; both mature before Nov 15.Sep 7
Potatoes—Mar 9–Mar 16251fits: 90 days to maturity, 251 available after Mar 9.—
Garlic—Nov 8335overwinter: Plant Nov 8 to Nov 29; harvest the following summer.Nov 29
Strawberry—Feb 16–Apr 13286perennial: A perennial: plant Feb 16; it fruits from the following year and keeps producing for several years.—
CornFeb 23Mar 30–Apr 6202fits: 75 days to maturity, 202 available after Mar 30.Jul 21
PumpkinMar 9Apr 6–Apr 6195fits: 100 days to maturity, 195 available after Apr 6.Jun 26
CauliflowerFeb 9Mar 16–Mar 30244fits: 75 days to maturity, 244 available after Mar 16.Aug 18
Swiss ChardJan 26Mar 9–Mar 9251two-plantings: Plant Mar 9 and again by Sep 7; both mature before Nov 15.Sep 7
Arugula—Jan 26–Apr 20307two-plantings: Plant Jan 26 and again by Oct 6; both mature before Nov 29.Oct 6
Brussel SproutsJan 26Feb 23–Mar 9279fits: 100 days to maturity, 279 available after Feb 23.Aug 7
Butternut SquashMar 9Apr 6–Apr 13195fits: 100 days to maturity, 195 available after Apr 6.Jun 26
EggplantFeb 2Apr 6–Apr 13188fits: 70 days to maturity, 188 available after Apr 6.Jul 19
OkraFeb 23Mar 30–Apr 6209two-plantings: Plant Mar 30 and again by Aug 17; both mature before Oct 25.Aug 17
BasilFeb 16Apr 13–Apr 13195two-plantings: Plant Apr 13 and again by Aug 12; both mature before Oct 25.Aug 12
Cilantro—Feb 23–Mar 16265two-plantings: Plant Feb 23 and again by Sep 12; both mature before Nov 15.Sep 12
ParsleyJan 12Mar 30–Apr 6230fits: 70 days to maturity, 230 available after Mar 30.Aug 23
CeleryJan 12Mar 30–Apr 13230fits: 120 days to maturity, 230 available after Mar 30.Jul 4
ScallionsJan 12Feb 23–Mar 9279two-plantings: Plant Feb 23 and again by Sep 16; both mature before Nov 29.Sep 16
Turnip—Feb 23–Mar 9279two-plantings: Plant Feb 23 and again by Sep 26; both mature before Nov 29.Sep 26
Kohlrabi—Feb 9–Feb 23293two-plantings: Plant Feb 9 and again by Sep 21; both mature before Nov 29.Sep 21
Bok ChoyFeb 23Mar 16–Mar 23244two-plantings: Plant Mar 16 and again by Sep 17; both mature before Nov 15.Sep 17
CollardsJan 12Feb 23–Mar 9279two-plantings: Plant Feb 23 and again by Sep 16; both mature before Nov 29.Sep 16
CantaloupeMar 9Apr 6–Apr 13188fits: 85 days to maturity, 188 available after Apr 6.Jul 4
ChivesDec 29Mar 30–Apr 6244fits: 90 days to maturity, 244 available after Mar 30.—
Dill—Jan 26–Apr 20293two-plantings: Plant Jan 26 and again by Sep 7; both mature before Nov 15.Sep 7
OreganoJan 12Mar 30–Apr 6244fits: 80 days to maturity, 244 available after Mar 30.—
RosemaryDec 29Mar 30–Apr 6230fits: 80 days to maturity, 230 available after Mar 30.—
SageJan 26Mar 30–Apr 6244fits: 75 days to maturity, 244 available after Mar 30.—
ThymeJan 12Mar 30–Apr 6244fits: 90 days to maturity, 244 available after Mar 30.—
CalendulaFeb 9Mar 9–Mar 23251two-plantings: Plant Mar 9 and again by Sep 12; both mature before Nov 15.Sep 12
CosmosFeb 23Mar 23–Apr 6216two-plantings: Plant Mar 23 and again by Aug 12; both mature before Oct 25.Aug 12
LavenderDec 29Mar 23–Apr 6251fits: 90 days to maturity, 251 available after Mar 23.—
MarigoldsFeb 9Mar 23–Mar 30216two-plantings: Plant Mar 23 and again by Aug 22; both mature before Oct 25.Aug 22
MelonsMar 9Apr 6–Apr 13188fits: 85 days to maturity, 188 available after Apr 6.Jul 4
Mint—Mar 23–Apr 6251fits: 90 days to maturity, 251 available after Mar 23.—
NasturtiumsFeb 23Mar 23–Mar 30216two-plantings: Plant Mar 23 and again by Aug 17; both mature before Oct 25.Aug 17
Pole Beans—Mar 30–Apr 13209fits: 65 days to maturity, 209 available after Mar 30.Aug 7
Spaghetti SquashMar 9Apr 6–Apr 13195fits: 90 days to maturity, 195 available after Apr 6.Jul 6
Sunflowers—Mar 23–Apr 6216fits: 70 days to maturity, 216 available after Mar 23.Aug 2
TomatillosJan 26Mar 30–Apr 6195fits: 75 days to maturity, 195 available after Mar 30.Jul 14
WatermelonMar 9Mar 30–Apr 6195fits: 80 days to maturity, 195 available after Mar 30.Jul 9
Yellow SquashMar 9Apr 6–Apr 13202two-plantings: Plant Apr 6 and again by Aug 17; both mature before Oct 25.Aug 17
ZinniasFeb 23Mar 23–Apr 6216two-plantings: Plant Mar 23 and again by Aug 12; both mature before Oct 25.Aug 12

Month by month in Beaufort

MonthWhat to do
JanuaryStart indoors: Celery (Jan 12), Collards (Jan 12), Kale (Jan 12), Oregano (Jan 12), Parsley (Jan 12), Scallions (Jan 12), +8 more. Direct sow from: Arugula (Jan 26), Beets (Jan 26), Dill (Jan 26), Peas (Jan 26), Radish (Jan 26), Spinach (Jan 26).
FebruaryStart indoors: Eggplant (Feb 2), Calendula (Feb 9), Cauliflower (Feb 9), Marigolds (Feb 9), Pepper (Feb 9), Basil (Feb 16), +7 more. Direct sow from: Kohlrabi (Feb 9), Cilantro (Feb 23), Turnip (Feb 23). Transplant from: Broccoli (Feb 23), Brussel Sprouts (Feb 23), Cabbage (Feb 23), Collards (Feb 23), Kale (Feb 23), Lettuce (Feb 23), +2 more. Plant: Strawberry (Feb 16).
MarchStart indoors: Cucumber (Mar 2), Butternut Squash (Mar 9), Cantaloupe (Mar 9), Melons (Mar 9), Pumpkin (Mar 9), Spaghetti Squash (Mar 9), +3 more. Direct sow from: Carrots (Mar 2), Potatoes (Mar 9), Sunflowers (Mar 23), Beans (Mar 30), Pole Beans (Mar 30). Transplant from: Calendula (Mar 9), Swiss Chard (Mar 9), Bok Choy (Mar 16), Cauliflower (Mar 16), Cosmos (Mar 23), Lavender (Mar 23), +15 more. Last frost around March 23.
AprilTransplant from: Butternut Squash (Apr 6), Cantaloupe (Apr 6), Cucumber (Apr 6), Eggplant (Apr 6), Melons (Apr 6), Pepper (Apr 6), +6 more.
MaySuccession plant lettuce and greens. Keep beds weeded and watered consistently.
JuneLast sowing dates: Butternut Squash (Jun 26), Pumpkin (Jun 26).
JulyLast sowing dates: Cantaloupe (Jul 4), Celery (Jul 4), Melons (Jul 4), Spaghetti Squash (Jul 6), Tomato (Jul 9), Watermelon (Jul 9), +4 more.
AugustLast sowing dates: Sunflowers (Aug 2), Brussel Sprouts (Aug 7), Pole Beans (Aug 7), Basil (Aug 12), Cosmos (Aug 12), Cucumber (Aug 12), +11 more.
SeptemberLast sowing dates: Cabbage (Sep 6), Carrots (Sep 6), Beets (Sep 7), Dill (Sep 7), Swiss Chard (Sep 7), Calendula (Sep 12), +8 more.
OctoberLast sowing dates: Arugula (Oct 6), Spinach (Oct 6), Radish (Oct 7).
NovemberDirect sow from: Garlic (Nov 8). First frost around November 8. Last sowing dates: Garlic (Nov 29).
DecemberStart indoors: Chives (Dec 29), Lavender (Dec 29), Onion (Dec 29), Rosemary (Dec 29).

Frequently Asked Questions

What is the last frost date for Beaufort, SC (ZIP 29906)?

The median last spring frost date for Beaufort, SC (ZIP code 29906) is around March 23. 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 2; one in ten it runs past April 14.

What is the first fall frost date in Beaufort, SC?

The median first fall frost date for Beaufort, SC is around November 8. 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 21 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Beaufort, SC?

The frost-free growing season in Beaufort is about 230 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 Beaufort (230 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 Beaufort, SC?

Beaufort, SC is in USDA hardiness zone 9a (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 Beaufort, SC?

Start tomatoes indoors Feb 16 and plant out Apr 6 in Beaufort. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Beaufort?

Two: plant Feb 23 and again by Sep 17; both mature before Nov 15.

When do I plant garlic in Beaufort?

Nov 8 to Nov 29; it overwinters and is ready the following summer.

Can I get two tomato crops in Beaufort?

Yes: plant out Apr 6 for a summer crop, and set out a second round of transplants by Jul 9 for a fall crop.

Which nearby ZIP has a longer season?

Okatie (ZIP 29909) has 269 frost-free days, 39 more than Beaufort (ZIP 29906). See Okatie ZIP 29909 frost dates

Nearby and related