South Carolina planting calendar

When to plant cilantro in South Carolina — sow, transplant & harvest dates

South Carolina is mostly USDA zone 8a (range 7a-9a). Dates below are derived from cilantro's frost tolerance and South Carolina's frost window — not generic national averages.

Cilantro planting timetable for South Carolina

Stage	When in South Carolina	Anchor
Direct-sow outside	early March (March 4)	21 days before the last frost (late March)
First harvest (estimate)	late April (April 23)	~50 days from direct sow

Dates are state-wide averages for the dominant zone. Local microclimates — elevation, urban heat, coastal moderation — can shift the window by 1-2 weeks. Use the frost-date calculator for a date tuned to your town.

Why South Carolina's climate shifts the cilantro dates

South Carolina's last spring frost averages late March and first fall frost early November, which sets the whole planting clock. South Carolina has a long, hot, humid season with mild winters. The coast is nearly frost-free; the upstate sees a brief cold spell. Sow early — cilantro bolt once daytime temperatures hold above 24 °C, so the earlier they go in, the longer the harvest.

Cilantro resents transplanting and should always be direct-sown; its taproot breaks easily and transplant shock triggers immediate bolting. Sow 2-3 weeks before the last spring frost when soil is 10-29 °C, then succession-sow every 2-3 weeks through early summer, stopping once daytime temperatures consistently exceed 27 °C (80 °F) — above that threshold the plant bolts within days and goes straight to seed. In zones 8-11 cilantro is best grown as a fall and winter crop.

Frost-risk note

Don't plant before late March — a hard freeze can still set young plants back. In the Blue Ridge upstate near the mountains (zone 7a) the safe date runs a week or two later.

Regional variation within South Carolina

the Blue Ridge upstate near the mountains (zone 7a) runs roughly 1-2 weeks behind the state average; the Lowcountry coast around Charleston (zone 9a) can plant 1-2 weeks earlier.

Columbia — USDA zone 8b
Charleston — USDA zone 9a
Greenville — USDA zone 8a
Myrtle Beach — USDA zone 8b

What else to plant in South Carolina around then

The same early window suits peas, lettuce, spinach, and onion sets.

Quick-grow guide

Sun: Full sun to partial shade — 4-6 hours direct.
Soil temperature for germination: 10-29 °C (50-85 °F).
Spacing: 4-6 inches (10-15 cm) between plants.
Days to harvest: ~50 days from planting out.

Frequently asked questions

When is the best time to plant cilantro in South Carolina?

In South Carolina (mostly USDA zone 8a), direct-sow cilantro early March (before the last frost, late March), and harvest from late April. Cilantro are half-hardy — young plants shrug off a light frost but not a hard freeze, so sowing can start a couple of weeks before the last spring frost.

What USDA zone is South Carolina?

Most of South Carolina sits in USDA hardiness zone 8a, with the state spanning roughly 7a-9a from the Blue Ridge upstate near the mountains (zone 7a) to the Lowcountry coast around Charleston (zone 9a). The last spring frost averages late March and the first fall frost early November.

Can you grow cilantro in South Carolina?

Yes. South Carolina's dominant zone 8a supports cilantro — the key is timing. Cilantro are half-hardy — young plants shrug off a light frost but not a hard freeze, so sowing can start a couple of weeks before the last spring frost.

Does the planting date change across South Carolina?

the Blue Ridge upstate near the mountains (zone 7a) runs roughly 1-2 weeks behind the state average; the Lowcountry coast around Charleston (zone 9a) can plant 1-2 weeks earlier.

What else can I plant in South Carolina around the same time?

The same early window suits peas, lettuce, spinach, and onion sets.

Source and methodology

State zone spans from the USDA Plant Hardiness Zone Map (2023); frost-date averages from NOAA Climate Data Online. Hot-state two-season timing cross-checked against the UF/IFAS Florida Gardening Calendar and the University of Arizona Cooperative Extension planting calendar. Curated by the Growli editorial team.