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When to plant in Apex, NC

USDA Zone 8a

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

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

Station · APEX · 4.3 km
Last spring frost
March 27
50% chance · 32°F
First fall frost
November 8
50% chance · 32°F
Growing season
226 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for ApexA year-band showing 32°F frost risk from January to December for Apex: last spring frost around March 27, first fall frost around November 8, about 226 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

APEX · 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 Apex’s own odds, recorded at APEX.

Frost-probability curves for ApexProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 27 and the first fall frost around November 8, giving about 226 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 21Apr 7Mar 23Oct 17Oct 31Nov 11
32°FApr 10Mar 27Mar 8Oct 26Nov 8Nov 24
28°FMar 31Mar 15Feb 24Nov 5Nov 21Dec 12

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

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 19August 2
Fall sowin 14 days
Rutabaga
August 2August 16
Fall sowin 28 days
Broccoli
August 16August 30
Fall sowin 28 days
Cabbage
August 16August 30
Fall sowin 28 days
Carrot
August 16August 30
Fall sowin 28 days
Cauliflower
August 16August 30
Fall sowin 28 days
Napa Cabbage
August 16September 13

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

Nearby weather stations

3 within 8 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.

APEX
Primary
4 km · 137 m elevation
SPRING
Mar 27
FALL
Nov 8
NEW HILL
6 km · 98 m elevation
SPRING
Apr 6
FALL
Nov 3
CARY
8 km · 119 m elevation
SPRING
Mar 31
FALL
Nov 10

Apex planting FAQ

When is the last spring frost in Apex, NC?

Apex's average last spring frost falls near March 27 — 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 Apex, NC?

The first fall frost in Apex typically arrives around November 8 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Apex in?

Apex is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Apex?

Apex has about 226 frost-free days — a long growing season — between the average last spring frost (March 27) and first fall frost (November 8).

When should I plant tomatoes in Apex?

For Apex, sow tomatoes indoors about January 30–February 13 and move the seedlings out around April 3, after the last spring frost.

Planting reminders

Never miss a window in Apex

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

Nearby cities

8 within reach

Frost dates recorded at APEX, 4 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 Apex, NC — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00310212. Retrieved from https://blissgarden.com/north-carolina/apex.
When to Plant in Apex, NC — Frost Dates & Zone 8a — BlissGarden