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When to plant in Long Beach, MS

USDA Zone 9a

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

With about 299 frost-free days, Long Beach supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 9a is warm enough that Long Beach can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · GULFPORT NAVAL CTR · 4.6 km
Last spring frost
February 18
50% chance · 32°F
First fall frost
December 14
50% chance · 32°F
Growing season
299 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Long BeachA year-band showing 32°F frost risk from January to December for Long Beach: last spring frost around February 18, first fall frost around December 14, about 299 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average first fall frost in Long Beach is now 9 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

GULFPORT NAVAL CTR · 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 Long Beach’s own odds, recorded at GULFPORT NAVAL CTR.

Frost-probability curves for Long BeachProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around February 18 and the first fall frost around December 14, giving about 299 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°FMar 26Mar 5Feb 7Nov 6Nov 26Dec 22
32°FMar 14Feb 18Jan 17Nov 18Dec 14Jan 13
28°FMar 2Jan 31Dec 31Dec 3Jan 2Feb 4

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

What to plant now

TODAY · JULY 19

Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.

Add the next planting windows to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

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

Nearby weather stations

3 within 16 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.

GULFPORT NAVAL CTR
Primary
5 km · 11 m elevation
SPRING
Feb 18
FALL
Dec 14
GULFPORT - BILOXI AP
10 km · 13 m elevation
SPRING
Feb 23
FALL
Dec 3
BILOXI
16 km · 3 m elevation
SPRING
Feb 12
FALL
Dec 14

Long Beach planting FAQ

When is the last spring frost in Long Beach, MS?

Plan for the last spring frost in Long Beach around February 18 (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 Long Beach, MS?

In Long Beach, the first 32°F freeze of fall lands around December 14 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Long Beach in?

Long Beach is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Long Beach?

There are roughly 299 frost-free days in Long Beach (a long growing season), running from the average last frost around February 18 to the first fall frost near December 14.

When should I plant tomatoes in Long Beach?

In Long Beach, start tomato seeds indoors around December 24–January 7, then transplant seedlings outdoors around February 25 once the danger of frost has passed.

Planting reminders

Never miss a window in Long Beach

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

Nearby cities

8 within reach

Frost dates recorded at GULFPORT NAVAL CTR, 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 Long Beach, MS — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00223671. Retrieved from https://blissgarden.com/mississippi/long-beach.
When to Plant in Long Beach, MS — Frost Dates & Zone 9a — BlissGarden