When to plant in Monroe, NC
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Monroe, North Carolina — is derived from the closest NOAA station with complete climate normals.
In zone 8a, Monroe supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Monroe is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MONROE 2 SE · 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 Monroe’s own odds, recorded at MONROE 2 SE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 29 | Apr 14 | Mar 31 | Oct 12 | Oct 25 | Nov 5 |
| 32°F | Apr 18 | Apr 3 | Mar 17 | Oct 21 | Nov 1 | Nov 14 |
| 28°F | Apr 7 | Mar 23 | Mar 1 | Oct 30 | Nov 10 | Nov 29 |
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 Monroe, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 32 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.
Monroe planting FAQ
When is the last spring frost in Monroe, NC?
Monroe's average last spring frost falls near April 3 — 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 Monroe, NC?
The first fall frost in Monroe typically arrives around November 1 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Monroe in?
Monroe is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Monroe?
Monroe has about 212 frost-free days — a long growing season — between the average last spring frost (April 3) and first fall frost (November 1).
When should I plant tomatoes in Monroe?
For Monroe, sow tomatoes indoors about February 6–February 20 and move the seedlings out around April 10, after the last spring frost.
Never miss a window in Monroe
An email when it’s time to start seeds, transplant, and sow — timed to Monroe’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Indian Trail · 11 km
- Stallings · 15 km
- Weddington · 16 km
- Waxhaw · 18 km
- Matthews · 19 km
- Mint Hill · 21 km
- Pineville · 32 km
- Charlotte · 34 km
Frost dates recorded at MONROE 2 SE, 4 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 Monroe, NC — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00315771. Retrieved from https://blissgarden.com/north-carolina/monroe.