When to plant in Morrisville, NC
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Morrisville, North Carolina — is derived from the closest NOAA station with complete climate normals.
Zone 8a means many perennials and even some tender shrubs overwinter in Morrisville, while your frost dates still decide when annuals go out.
Frost probability
RALEIGH DURHAM INTL AP · 1991–2020The 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 Morrisville’s own odds, recorded at RALEIGH DURHAM INTL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 28 | Apr 13 | Mar 29 | Oct 15 | Oct 27 | Nov 6 |
| 32°F | Apr 16 | Mar 31 | Mar 15 | Oct 23 | Nov 4 | Nov 17 |
| 28°F | Apr 3 | Mar 18 | Feb 25 | Nov 2 | Nov 16 | Dec 5 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Morrisville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 km · complete 32°F normalsWhen 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.
Morrisville planting FAQ
When is the last spring frost in Morrisville, NC?
On average, the last spring frost in Morrisville is around March 31 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Morrisville, NC?
Expect Morrisville's first fall frost near November 4 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Morrisville in?
Morrisville is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Morrisville?
There are roughly 218 frost-free days in Morrisville (a long growing season), running from the average last frost around March 31 to the first fall frost near November 4.
When should I plant tomatoes in Morrisville?
In Morrisville, start tomato seeds indoors around February 3–February 17, then transplant seedlings outdoors around April 7 once the danger of frost has passed.
Never miss a window in Morrisville
An email when it’s time to start seeds, transplant, and sow — timed to Morrisville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Cary · 6 km
- Apex · 13 km
- Durham · 17 km
- Raleigh · 18 km
- Holly Springs · 21 km
- Chapel Hill · 21 km
- Carrboro · 24 km
- Fuquay-Varina · 26 km
Frost dates recorded at RALEIGH DURHAM INTL AP, 8 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Morrisville, NC — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013722. Retrieved from https://blissgarden.com/north-carolina/morrisville.