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When to plant in Myrtle Beach, SC

USDA Zone 8b

Everything below — frost dates, hardiness zone, and what to plant when in Myrtle Beach, South Carolina — is derived from the closest NOAA station with complete climate normals.

In zone 8b, Myrtle Beach supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · MYRTLE BEACH · 7.7 km
Last spring frost
March 21
50% chance · 32°F
First fall frost
November 13
50% chance · 32°F
Growing season
237 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Myrtle BeachA year-band showing 32°F frost risk from January to December for Myrtle Beach: last spring frost around March 21, first fall frost around November 13, about 237 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

MYRTLE BEACH · 1991–2020

The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Myrtle Beach’s own odds, recorded at MYRTLE BEACH.

Frost-probability curves for Myrtle BeachProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 21 and the first fall frost around November 13, giving about 237 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FApr 18Apr 3Mar 16Oct 22Nov 3Nov 18
32°FApr 7Mar 21Mar 2Oct 31Nov 13Dec 3
28°FMar 28Mar 7Feb 8Nov 7Nov 26Dec 26

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowin 5 days
Brussels Sprouts
July 24August 7
Fall sowin 19 days
Rutabaga
August 7August 21

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Myrtle Beach, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 21 km · complete 32°F normals

When stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.

MYRTLE BEACH
Primary
8 km · 12 m elevation
SPRING
Mar 21
FALL
Nov 13
N MYRTLE BCH AP
19 km · 10 m elevation
SPRING
Mar 13
FALL
Nov 20
CONWAY
21 km · 6 m elevation
SPRING
Mar 15
FALL
Nov 22

Myrtle Beach planting FAQ

When is the last spring frost in Myrtle Beach, SC?

Plan for the last spring frost in Myrtle Beach around March 21 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.

When is the first fall frost in Myrtle Beach, SC?

Expect Myrtle Beach's first fall frost near November 13 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Myrtle Beach in?

Myrtle Beach is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.

How long is the growing season in Myrtle Beach?

Myrtle Beach has about 237 frost-free days — a long growing season — between the average last spring frost (March 21) and first fall frost (November 13).

When should I plant tomatoes in Myrtle Beach?

For Myrtle Beach, sow tomatoes indoors about January 24–February 7 and move the seedlings out around March 28, after the last spring frost.

Planting reminders

Never miss a window in Myrtle Beach

An email when it’s time to start seeds, transplant, and sow — timed to Myrtle Beach’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at MYRTLE BEACH, 8 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Myrtle Beach, SC — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00386153. Retrieved from https://blissgarden.com/south-carolina/myrtle-beach.