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When to plant in Murrells Inlet, SC

USDA Zone 8b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Murrells Inlet, South Carolina — all computed from Murrells Inlet's nearest NOAA weather station.

A generous ~245-day season lets Murrells Inlet gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 8b means many perennials and even some tender shrubs overwinter in Murrells Inlet, while your frost dates still decide when annuals go out.

Station · BROOKGREEN GARDENS · 5.5 km
Last spring frost
March 18
50% chance · 32°F
First fall frost
November 18
50% chance · 32°F
Growing season
245 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Murrells InletA year-band showing 32°F frost risk from January to December for Murrells Inlet: last spring frost around March 18, first fall frost around November 18, about 245 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average first fall frost in Murrells Inlet is now 13 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

BROOKGREEN GARDENS · 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 Murrells Inlet’s own odds, recorded at BROOKGREEN GARDENS.

Frost-probability curves for Murrells InletProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 18 and the first fall frost around November 18, giving about 245 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 14Mar 28Mar 13Oct 25Nov 7Nov 26
32°FApr 3Mar 18Feb 25Nov 4Nov 18Dec 8
28°FMar 23Mar 1Feb 2Nov 11Nov 30Dec 27

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 10 days
Brussels Sprouts
July 29August 12
Fall sowin 24 days
Rutabaga
August 12August 26

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 Murrells Inlet, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 31 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.

BROOKGREEN GARDENS
Primary
5 km · 6 m elevation
SPRING
Mar 18
FALL
Nov 18
CONWAY
30 km · 6 m elevation
SPRING
Mar 15
FALL
Nov 22
MYRTLE BEACH
31 km · 12 m elevation
SPRING
Mar 21
FALL
Nov 13

Murrells Inlet planting FAQ

When is the last spring frost in Murrells Inlet, SC?

Murrells Inlet's average last spring frost falls near March 18 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.

When is the first fall frost in Murrells Inlet, SC?

The first fall frost in Murrells Inlet typically arrives around November 18 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Murrells Inlet in?

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

How long is the growing season in Murrells Inlet?

There are roughly 245 frost-free days in Murrells Inlet (a long growing season), running from the average last frost around March 18 to the first fall frost near November 18.

When should I plant tomatoes in Murrells Inlet?

In Murrells Inlet, start tomato seeds indoors around January 21–February 4, then transplant seedlings outdoors around March 25 once the danger of frost has passed.

Planting reminders

Never miss a window in Murrells Inlet

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

Nearby cities

8 within reach

Frost dates recorded at BROOKGREEN GARDENS, 5 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 Murrells Inlet, SC — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00381093. Retrieved from https://blissgarden.com/south-carolina/murrells-inlet.