Frost Dates for Simpsonville, SC 29680

Simpsonville has 2 ZIP codes. The Simpsonville, SC frost page lists all of them with their dates.

Last spring frost April 5 · First fall frost October 28 · 206 frost-free days · USDA Zone 8a

ZIP 29680 has about 35,800 people, one of 2 ZIP codes in Simpsonville.

Long season: 206 frost-free days. Spring frost risk spans March 17–April 24 (38 days). Fall frost risk spans October 12–November 13 (32 days).

Frost probability for 29680

Frost10%50%90%
Spring (last frost)April 24April 5March 17
Fall (first frost)October 12October 28November 13

Dates come from NOAA 1971–2000 freeze probabilities at W PELZER (15.8 km away); the 50% date is the median year.

Which crops fit a 206-day season in Simpsonville

In Simpsonville (206 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 1Apr 19–Apr 26164fits: 80 days to maturity, 164 available after Apr 19.Jun 28
PepperFeb 22Apr 19–Apr 26164fits: 75 days to maturity, 164 available after Apr 19.Jul 3
LettuceFeb 8Mar 8–Mar 15241two-plantings: Plant Mar 8 and again by Sep 6; both mature before Nov 4.Sep 6
Carrots—Mar 15–Mar 22248fits: 70 days to maturity, 248 available after Mar 15.Aug 26
CucumberMar 15Apr 19–Apr 26178two-plantings: Plant Apr 19 and again by Aug 1; both mature before Oct 14.Aug 1
Beans—Apr 12–Apr 26192two-plantings: Plant Apr 12 and again by Aug 8; both mature before Oct 21.Aug 8
Peas—Feb 8–Apr 19269fits: 65 days to maturity, 269 available after Feb 8.Aug 17
ZucchiniMar 22Apr 19–Apr 26178two-plantings: Plant Apr 19 and again by Aug 6; both mature before Oct 14.Aug 6
OnionJan 11Mar 8–Mar 22241fits: 100 days to maturity, 241 available after Mar 8.—
Spinach—Feb 8–Mar 29283two-plantings: Plant Feb 8 and again by Sep 25; both mature before Nov 18.Sep 25
KaleJan 25Mar 8–Mar 22255two-plantings: Plant Mar 8 and again by Sep 10; both mature before Nov 18.Sep 10
BroccoliFeb 8Mar 8–Mar 22241fits: 80 days to maturity, 241 available after Mar 8.Aug 2
CabbageFeb 8Mar 8–Mar 22255fits: 70 days to maturity, 255 available after Mar 8.Aug 26
Radish—Feb 8–May 3269two-plantings: Plant Feb 8 and again by Sep 26; both mature before Nov 4.Sep 26
Beets—Feb 8–May 3269two-plantings: Plant Feb 8 and again by Aug 27; both mature before Nov 4.Aug 27
Potatoes—Mar 22–Mar 29227fits: 90 days to maturity, 227 available after Mar 22.—
Garlic—Oct 28311overwinter: Plant Oct 28 to Nov 18; harvest the following summer.Nov 18
Strawberry—Mar 1–Apr 26262perennial: A perennial: plant Mar 1; it fruits from the following year and keeps producing for several years.—
CornMar 8Apr 12–Apr 19178fits: 75 days to maturity, 178 available after Apr 12.Jul 10
PumpkinMar 22Apr 19–Apr 19171fits: 100 days to maturity, 171 available after Apr 19.Jun 15
CauliflowerFeb 22Mar 29–Apr 12220fits: 75 days to maturity, 220 available after Mar 29.Aug 7
Swiss ChardFeb 8Mar 22–Mar 22227two-plantings: Plant Mar 22 and again by Aug 27; both mature before Nov 4.Aug 27
Arugula—Feb 8–May 3283two-plantings: Plant Feb 8 and again by Sep 25; both mature before Nov 18.Sep 25
Brussel SproutsFeb 8Mar 8–Mar 22255fits: 100 days to maturity, 255 available after Mar 8.Jul 27
Butternut SquashMar 22Apr 19–Apr 26171fits: 100 days to maturity, 171 available after Apr 19.Jun 15
EggplantFeb 15Apr 19–Apr 26164fits: 70 days to maturity, 164 available after Apr 19.Jul 8
OkraMar 8Apr 12–Apr 19185two-plantings: Plant Apr 12 and again by Aug 6; both mature before Oct 14.Aug 6
BasilMar 1Apr 26–Apr 26171two-plantings: Plant Apr 26 and again by Aug 1; both mature before Oct 14.Aug 1
Cilantro—Mar 8–Mar 29241two-plantings: Plant Mar 8 and again by Sep 1; both mature before Nov 4.Sep 1
ParsleyJan 25Apr 12–Apr 19206fits: 70 days to maturity, 206 available after Apr 12.Aug 12
CeleryJan 25Apr 12–Apr 26206fits: 120 days to maturity, 206 available after Apr 12.Jun 23
ScallionsJan 25Mar 8–Mar 22255two-plantings: Plant Mar 8 and again by Sep 5; both mature before Nov 18.Sep 5
Turnip—Mar 8–Mar 22255two-plantings: Plant Mar 8 and again by Sep 15; both mature before Nov 18.Sep 15
Kohlrabi—Feb 22–Mar 8269two-plantings: Plant Feb 22 and again by Sep 10; both mature before Nov 18.Sep 10
Bok ChoyMar 8Mar 29–Apr 5220two-plantings: Plant Mar 29 and again by Sep 6; both mature before Nov 4.Sep 6
CollardsJan 25Mar 8–Mar 22255two-plantings: Plant Mar 8 and again by Sep 5; both mature before Nov 18.Sep 5
CantaloupeMar 22Apr 19–Apr 26164fits: 85 days to maturity, 164 available after Apr 19.Jun 23
ChivesJan 11Apr 12–Apr 19220fits: 90 days to maturity, 220 available after Apr 12.—
Dill—Feb 8–May 3269two-plantings: Plant Feb 8 and again by Aug 27; both mature before Nov 4.Aug 27
OreganoJan 25Apr 12–Apr 19220fits: 80 days to maturity, 220 available after Apr 12.—
RosemaryJan 11Apr 12–Apr 19206fits: 80 days to maturity, 206 available after Apr 12.—
SageFeb 8Apr 12–Apr 19220fits: 75 days to maturity, 220 available after Apr 12.—
ThymeJan 25Apr 12–Apr 19220fits: 90 days to maturity, 220 available after Apr 12.—
CalendulaFeb 22Mar 22–Apr 5227two-plantings: Plant Mar 22 and again by Sep 1; both mature before Nov 4.Sep 1
CosmosMar 8Apr 5–Apr 19192two-plantings: Plant Apr 5 and again by Aug 1; both mature before Oct 14.Aug 1
LavenderJan 11Apr 5–Apr 19227fits: 90 days to maturity, 227 available after Apr 5.—
MarigoldsFeb 22Apr 5–Apr 12192two-plantings: Plant Apr 5 and again by Aug 11; both mature before Oct 14.Aug 11
MelonsMar 22Apr 19–Apr 26164fits: 85 days to maturity, 164 available after Apr 19.Jun 23
Mint—Apr 5–Apr 19227fits: 90 days to maturity, 227 available after Apr 5.—
NasturtiumsMar 8Apr 5–Apr 12192two-plantings: Plant Apr 5 and again by Aug 6; both mature before Oct 14.Aug 6
Pole Beans—Apr 12–Apr 26185fits: 65 days to maturity, 185 available after Apr 12.Jul 27
Spaghetti SquashMar 22Apr 19–Apr 26171fits: 90 days to maturity, 171 available after Apr 19.Jun 25
Sunflowers—Apr 5–Apr 19192fits: 70 days to maturity, 192 available after Apr 5.Jul 22
TomatillosFeb 8Apr 12–Apr 19171fits: 75 days to maturity, 171 available after Apr 12.Jul 3
WatermelonMar 22Apr 12–Apr 19171fits: 80 days to maturity, 171 available after Apr 12.Jun 28
Yellow SquashMar 22Apr 19–Apr 26178two-plantings: Plant Apr 19 and again by Aug 6; both mature before Oct 14.Aug 6
ZinniasMar 8Apr 5–Apr 19192two-plantings: Plant Apr 5 and again by Aug 1; both mature before Oct 14.Aug 1

Month by month in Simpsonville

MonthWhat to do
JanuaryStart indoors: Chives (Jan 11), Lavender (Jan 11), Onion (Jan 11), Rosemary (Jan 11), Celery (Jan 25), Collards (Jan 25), +5 more.
FebruaryStart indoors: Broccoli (Feb 8), Brussel Sprouts (Feb 8), Cabbage (Feb 8), Lettuce (Feb 8), Sage (Feb 8), Swiss Chard (Feb 8), +6 more. Direct sow from: Arugula (Feb 8), Beets (Feb 8), Dill (Feb 8), Peas (Feb 8), Radish (Feb 8), Spinach (Feb 8), +1 more.
MarchStart indoors: Basil (Mar 1), Tomato (Mar 1), Bok Choy (Mar 8), Corn (Mar 8), Cosmos (Mar 8), Nasturtiums (Mar 8), +11 more. Direct sow from: Cilantro (Mar 8), Turnip (Mar 8), Carrots (Mar 15), Potatoes (Mar 22). Transplant from: Broccoli (Mar 8), Brussel Sprouts (Mar 8), Cabbage (Mar 8), Collards (Mar 8), Kale (Mar 8), Lettuce (Mar 8), +6 more. Plant: Strawberry (Mar 1).
AprilDirect sow from: Sunflowers (Apr 5), Beans (Apr 12), Pole Beans (Apr 12). Transplant from: Cosmos (Apr 5), Lavender (Apr 5), Marigolds (Apr 5), Mint (Apr 5), Nasturtiums (Apr 5), Zinnias (Apr 5), +23 more. Last frost around April 5.
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 Simpsonville, SC (ZIP 29680)?

The median last spring frost date for Simpsonville, SC (ZIP code 29680) is around April 5. 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 17; one in ten it runs past April 24.

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

The median first fall frost date for Simpsonville, SC 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 12 in the earliest one-in-ten years, so cover tomatoes and peppers from then.

How long is the growing season in Simpsonville, SC?

The frost-free growing season in Simpsonville is about 206 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 Simpsonville (206 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 Simpsonville, SC?

Simpsonville, SC 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 Simpsonville, SC?

Start tomatoes indoors Mar 1 and plant out Apr 19 in Simpsonville. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.

How many plantings of lettuce fit in Simpsonville?

Two: plant Mar 8 and again by Sep 6; both mature before Nov 4.

When do I plant garlic in Simpsonville?

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

Can I get two tomato crops in Simpsonville?

Yes: plant out Apr 19 for a summer crop, and set out a second round of transplants by Jun 28 for a fall crop.

Which nearby ZIP has a longer season?

Greenville (ZIP 29605) has 214 frost-free days, 8 more than Simpsonville (ZIP 29680). See Greenville ZIP 29605 frost dates

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