When to plant in Mount Holly, NC
USDA Zone 8aMount Holly, North Carolina frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 8a means many perennials and even some tender shrubs overwinter in Mount Holly, while your frost dates still decide when annuals go out.
The average last spring frost in Mount Holly is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
CHARLOTTE DOUGLAS 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 Mount Holly’s own odds, recorded at CHARLOTTE DOUGLAS AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 28 | Apr 11 | Mar 26 | Oct 15 | Oct 27 | Nov 7 |
| 32°F | Apr 14 | Mar 30 | Mar 12 | Oct 22 | Nov 3 | Nov 17 |
| 28°F | Apr 3 | Mar 17 | Feb 25 | Nov 1 | Nov 14 | Dec 2 |
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 Mount Holly, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
Mount Holly planting FAQ
When is the last spring frost in Mount Holly, NC?
Plan for the last spring frost in Mount Holly around March 30 (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 Mount Holly, NC?
Expect Mount Holly's first fall frost near November 3 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Mount Holly in?
Mount Holly is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Mount Holly?
There are roughly 218 frost-free days in Mount Holly (a long growing season), running from the average last frost around March 30 to the first fall frost near November 3.
When should I plant tomatoes in Mount Holly?
In Mount Holly, start tomato seeds indoors around February 2–February 16, then transplant seedlings outdoors around April 6 once the danger of frost has passed.
Never miss a window in Mount Holly
An email when it’s time to start seeds, transplant, and sow — timed to Mount Holly’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Belmont · 11 km
- Huntersville · 16 km
- Gastonia · 18 km
- Charlotte · 20 km
- Cornelius · 21 km
- Lake Wylie · 25 km
- Davidson · 25 km
- Lake Norman of Iredell · 26 km
Frost dates recorded at CHARLOTTE DOUGLAS AP, 11 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 Mount Holly, NC — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013881. Retrieved from https://blissgarden.com/north-carolina/mount-holly.