Frost Dates for Rock Hill, SC 29730

Last spring frost March 29 · First fall frost November 8 · 224 frost-free days · USDA Zone 8a

Frost probability for 29730

Frost10%50%90%
Spring (last frost)April 15March 29March 11
Fall (first frost)October 21November 8November 25

Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (37.7 km away); the 50% date is the median year.

Frost dates by ZIP code in Rock Hill, SC

ZIPLast spring frost (50%)First fall frost (50%)Zone
29730March 29November 88a
29732March 29November 88a
29733March 29November 88a

Month by month in Rock Hill

MonthWhat to do
JanuaryStart peppers and eggplant indoors 8–10 weeks before your last frost (around March 29). Start tomatoes about two weeks later, 6–8 weeks before last frost.
FebruaryStart herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable.
MarchLast frost around March 29. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings.
AprilFrost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini.
MaySuccession plant lettuce and greens. Keep beds weeded and watered consistently.
JuneHarvest regularly to encourage production. Monitor for pests and disease.
JulyMidsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall.
AugustDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
SeptemberDirect sow carrots and beets for fall harvest. Start fall broccoli and kale indoors.
OctoberFirst fall frost approaching (around November 8). Transplant fall brassicas. Sow spinach, arugula, and radishes.
NovemberFirst frost around November 8. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season.
DecemberHarvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year.

What grows in a 224-day season

Frequently Asked Questions

What is the last frost date for Rock Hill, SC (ZIP 29730)?

The median last spring frost date for Rock Hill, SC (ZIP code 29730) is around March 29. 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.

What is the first fall frost date in Rock Hill, SC?

The median first fall frost date for Rock Hill, 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.

How long is the growing season in Rock Hill, SC?

The frost-free growing season in Rock Hill is about 224 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.

What USDA hardiness zone is Rock Hill, SC?

Based on frost date patterns, Rock Hill falls approximately in 8a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.

When should I start tomatoes indoors in Rock Hill, SC?

Start tomato seeds indoors 6–8 weeks before your last frost date (around March 29). For Rock Hill, that's roughly February 2 to February 16. Transplant outdoors 1–2 weeks after your last frost.

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