Frost Dates for Hartsville, SC 29550
Last spring frost March 27 · First fall frost November 4 · 222 frost-free days · USDA Zone 8b
ZIP 29550 has about 29,900 people.
Long season: 222 frost-free days. Spring frost risk spans March 9–April 13 (35 days). Fall frost risk spans October 18–November 22 (35 days).
Frost probability for 29550
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 13 | March 27 | March 9 |
| Fall (first frost) | October 18 | November 4 | November 22 |
Dates come from NOAA 1971–2000 freeze probabilities at DARLINGTON (21.0 km away); the 50% date is the median year.
Which crops fit a 222-day season in Hartsville
In Hartsville (222 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Feb 20 | Apr 10–Apr 17 | 180 | fits: 80 days to maturity, 180 available after Apr 10. | Jul 5 |
| Pepper | Feb 13 | Apr 10–Apr 17 | 180 | fits: 75 days to maturity, 180 available after Apr 10. | Jul 10 |
| Lettuce | Jan 30 | Feb 27–Mar 6 | 257 | two-plantings: Plant Feb 27 and again by Sep 13; both mature before Nov 11. | Sep 13 |
| Carrots | — | Mar 6–Mar 13 | 264 | fits: 70 days to maturity, 264 available after Mar 6. | Sep 2 |
| Cucumber | Mar 6 | Apr 10–Apr 17 | 194 | two-plantings: Plant Apr 10 and again by Aug 8; both mature before Oct 21. | Aug 8 |
| Beans | — | Apr 3–Apr 17 | 208 | two-plantings: Plant Apr 3 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Peas | — | Jan 30–Apr 10 | 285 | fits: 65 days to maturity, 285 available after Jan 30. | Aug 24 |
| Zucchini | Mar 13 | Apr 10–Apr 17 | 194 | two-plantings: Plant Apr 10 and again by Aug 13; both mature before Oct 21. | Aug 13 |
| Onion | Jan 2 | Feb 27–Mar 13 | 257 | fits: 100 days to maturity, 257 available after Feb 27. | — |
| Spinach | — | Jan 30–Mar 20 | 299 | two-plantings: Plant Jan 30 and again by Oct 2; both mature before Nov 25. | Oct 2 |
| Kale | Jan 16 | Feb 27–Mar 13 | 271 | two-plantings: Plant Feb 27 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Broccoli | Jan 30 | Feb 27–Mar 13 | 257 | fits: 80 days to maturity, 257 available after Feb 27. | Aug 9 |
| Cabbage | Jan 30 | Feb 27–Mar 13 | 271 | fits: 70 days to maturity, 271 available after Feb 27. | Sep 2 |
| Radish | — | Jan 30–Apr 24 | 285 | two-plantings: Plant Jan 30 and again by Oct 3; both mature before Nov 11. | Oct 3 |
| Beets | — | Jan 30–Apr 24 | 285 | two-plantings: Plant Jan 30 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Potatoes | — | Mar 13–Mar 20 | 243 | fits: 90 days to maturity, 243 available after Mar 13. | — |
| Garlic | — | Nov 4 | 327 | overwinter: Plant Nov 4 to Nov 25; harvest the following summer. | Nov 25 |
| Strawberry | — | Feb 20–Apr 17 | 278 | perennial: A perennial: plant Feb 20; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 27 | Apr 3–Apr 10 | 194 | fits: 75 days to maturity, 194 available after Apr 3. | Jul 17 |
| Pumpkin | Mar 13 | Apr 10–Apr 10 | 187 | fits: 100 days to maturity, 187 available after Apr 10. | Jun 22 |
| Cauliflower | Feb 13 | Mar 20–Apr 3 | 236 | fits: 75 days to maturity, 236 available after Mar 20. | Aug 14 |
| Swiss Chard | Jan 30 | Mar 13–Mar 13 | 243 | two-plantings: Plant Mar 13 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Arugula | — | Jan 30–Apr 24 | 299 | two-plantings: Plant Jan 30 and again by Oct 2; both mature before Nov 25. | Oct 2 |
| Brussel Sprouts | Jan 30 | Feb 27–Mar 13 | 271 | fits: 100 days to maturity, 271 available after Feb 27. | Aug 3 |
| Butternut Squash | Mar 13 | Apr 10–Apr 17 | 187 | fits: 100 days to maturity, 187 available after Apr 10. | Jun 22 |
| Eggplant | Feb 6 | Apr 10–Apr 17 | 180 | fits: 70 days to maturity, 180 available after Apr 10. | Jul 15 |
| Okra | Feb 27 | Apr 3–Apr 10 | 201 | two-plantings: Plant Apr 3 and again by Aug 13; both mature before Oct 21. | Aug 13 |
| Basil | Feb 20 | Apr 17–Apr 17 | 187 | two-plantings: Plant Apr 17 and again by Aug 8; both mature before Oct 21. | Aug 8 |
| Cilantro | — | Feb 27–Mar 20 | 257 | two-plantings: Plant Feb 27 and again by Sep 8; both mature before Nov 11. | Sep 8 |
| Parsley | Jan 16 | Apr 3–Apr 10 | 222 | fits: 70 days to maturity, 222 available after Apr 3. | Aug 19 |
| Celery | Jan 16 | Apr 3–Apr 17 | 222 | fits: 120 days to maturity, 222 available after Apr 3. | Jun 30 |
| Scallions | Jan 16 | Feb 27–Mar 13 | 271 | two-plantings: Plant Feb 27 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Turnip | — | Feb 27–Mar 13 | 271 | two-plantings: Plant Feb 27 and again by Sep 22; both mature before Nov 25. | Sep 22 |
| Kohlrabi | — | Feb 13–Feb 27 | 285 | two-plantings: Plant Feb 13 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Bok Choy | Feb 27 | Mar 20–Mar 27 | 236 | two-plantings: Plant Mar 20 and again by Sep 13; both mature before Nov 11. | Sep 13 |
| Collards | Jan 16 | Feb 27–Mar 13 | 271 | two-plantings: Plant Feb 27 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Cantaloupe | Mar 13 | Apr 10–Apr 17 | 180 | fits: 85 days to maturity, 180 available after Apr 10. | Jun 30 |
| Chives | Jan 2 | Apr 3–Apr 10 | 236 | fits: 90 days to maturity, 236 available after Apr 3. | — |
| Dill | — | Jan 30–Apr 24 | 285 | two-plantings: Plant Jan 30 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Oregano | Jan 16 | Apr 3–Apr 10 | 236 | fits: 80 days to maturity, 236 available after Apr 3. | — |
| Rosemary | Jan 2 | Apr 3–Apr 10 | 222 | fits: 80 days to maturity, 222 available after Apr 3. | — |
| Sage | Jan 30 | Apr 3–Apr 10 | 236 | fits: 75 days to maturity, 236 available after Apr 3. | — |
| Thyme | Jan 16 | Apr 3–Apr 10 | 236 | fits: 90 days to maturity, 236 available after Apr 3. | — |
| Calendula | Feb 13 | Mar 13–Mar 27 | 243 | two-plantings: Plant Mar 13 and again by Sep 8; both mature before Nov 11. | Sep 8 |
| Cosmos | Feb 27 | Mar 27–Apr 10 | 208 | two-plantings: Plant Mar 27 and again by Aug 8; both mature before Oct 21. | Aug 8 |
| Lavender | Jan 2 | Mar 27–Apr 10 | 243 | fits: 90 days to maturity, 243 available after Mar 27. | — |
| Marigolds | Feb 13 | Mar 27–Apr 3 | 208 | two-plantings: Plant Mar 27 and again by Aug 18; both mature before Oct 21. | Aug 18 |
| Melons | Mar 13 | Apr 10–Apr 17 | 180 | fits: 85 days to maturity, 180 available after Apr 10. | Jun 30 |
| Mint | — | Mar 27–Apr 10 | 243 | fits: 90 days to maturity, 243 available after Mar 27. | — |
| Nasturtiums | Feb 27 | Mar 27–Apr 3 | 208 | two-plantings: Plant Mar 27 and again by Aug 13; both mature before Oct 21. | Aug 13 |
| Pole Beans | — | Apr 3–Apr 17 | 201 | fits: 65 days to maturity, 201 available after Apr 3. | Aug 3 |
| Spaghetti Squash | Mar 13 | Apr 10–Apr 17 | 187 | fits: 90 days to maturity, 187 available after Apr 10. | Jul 2 |
| Sunflowers | — | Mar 27–Apr 10 | 208 | fits: 70 days to maturity, 208 available after Mar 27. | Jul 29 |
| Tomatillos | Jan 30 | Apr 3–Apr 10 | 187 | fits: 75 days to maturity, 187 available after Apr 3. | Jul 10 |
| Watermelon | Mar 13 | Apr 3–Apr 10 | 187 | fits: 80 days to maturity, 187 available after Apr 3. | Jul 5 |
| Yellow Squash | Mar 13 | Apr 10–Apr 17 | 194 | two-plantings: Plant Apr 10 and again by Aug 13; both mature before Oct 21. | Aug 13 |
| Zinnias | Feb 27 | Mar 27–Apr 10 | 208 | two-plantings: Plant Mar 27 and again by Aug 8; both mature before Oct 21. | Aug 8 |
Month by month in Hartsville
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 2), Lavender (Jan 2), Onion (Jan 2), Rosemary (Jan 2), Celery (Jan 16), Collards (Jan 16), +12 more. Direct sow from: Arugula (Jan 30), Beets (Jan 30), Dill (Jan 30), Peas (Jan 30), Radish (Jan 30), Spinach (Jan 30). |
| February | Start indoors: Eggplant (Feb 6), Calendula (Feb 13), Cauliflower (Feb 13), Marigolds (Feb 13), Pepper (Feb 13), Basil (Feb 20), +7 more. Direct sow from: Kohlrabi (Feb 13), Cilantro (Feb 27), Turnip (Feb 27). Transplant from: Broccoli (Feb 27), Brussel Sprouts (Feb 27), Cabbage (Feb 27), Collards (Feb 27), Kale (Feb 27), Lettuce (Feb 27), +2 more. Plant: Strawberry (Feb 20). |
| March | Start indoors: Cucumber (Mar 6), Butternut Squash (Mar 13), Cantaloupe (Mar 13), Melons (Mar 13), Pumpkin (Mar 13), Spaghetti Squash (Mar 13), +3 more. Direct sow from: Carrots (Mar 6), Potatoes (Mar 13), Sunflowers (Mar 27). Transplant from: Calendula (Mar 13), Swiss Chard (Mar 13), Bok Choy (Mar 20), Cauliflower (Mar 20), Cosmos (Mar 27), Lavender (Mar 27), +4 more. Last frost around March 27. |
| April | Direct sow from: Beans (Apr 3), Pole Beans (Apr 3). Transplant from: Celery (Apr 3), Chives (Apr 3), Corn (Apr 3), Okra (Apr 3), Oregano (Apr 3), Parsley (Apr 3), +17 more. |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Last sowing dates: Butternut Squash (Jun 22), Pumpkin (Jun 22), Cantaloupe (Jun 30), Celery (Jun 30), Melons (Jun 30). |
| July | Last sowing dates: Spaghetti Squash (Jul 2), Tomato (Jul 5), Watermelon (Jul 5), Pepper (Jul 10), Tomatillos (Jul 10), Eggplant (Jul 15), +2 more. |
| August | Last sowing dates: Brussel Sprouts (Aug 3), Pole Beans (Aug 3), Basil (Aug 8), Cosmos (Aug 8), Cucumber (Aug 8), Zinnias (Aug 8), +10 more. |
| September | Last sowing dates: Cabbage (Sep 2), Carrots (Sep 2), Beets (Sep 3), Dill (Sep 3), Swiss Chard (Sep 3), Calendula (Sep 8), +8 more. |
| October | Last sowing dates: Arugula (Oct 2), Spinach (Oct 2), Radish (Oct 3). |
| November | Direct sow from: Garlic (Nov 4). First frost around November 4. Last sowing dates: Garlic (Nov 25). |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
Frequently Asked Questions
What is the last frost date for Hartsville, SC (ZIP 29550)?
The median last spring frost date for Hartsville, SC (ZIP code 29550) is around March 27. 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 9; one in ten it runs past April 13.
What is the first fall frost date in Hartsville, SC?
The median first fall frost date for Hartsville, SC is around November 4. 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 18 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Hartsville, SC?
The frost-free growing season in Hartsville is about 222 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 Hartsville (222 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 Hartsville, SC?
Hartsville, SC is in USDA hardiness zone 8b (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 Hartsville, SC?
Start tomatoes indoors Feb 20 and plant out Apr 10 in Hartsville. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Hartsville?
Two: plant Feb 27 and again by Sep 13; both mature before Nov 11.
When do I plant garlic in Hartsville?
Nov 4 to Nov 25; it overwinters and is ready the following summer.
Can I get two tomato crops in Hartsville?
Yes: plant out Apr 10 for a summer crop, and set out a second round of transplants by Jul 5 for a fall crop.
Nearby and related
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