When to plant in New Port Richey, FL
USDA Zone 10aNew Port Richey, Florida frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
A ~-11-day frost-free window makes New Port Richey a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. In zone 10a, frost is a minor factor for New Port Richey — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
TARPON SPGS SEWAGE PLT · 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 New Port Richey’s own odds, recorded at TARPON SPGS SEWAGE PLT.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 1 | Jan 31 | Jan 1 | Dec 3 | Dec 31 | Jan 27 |
| 32°F | Feb 14 | Jan 20 | Dec 29 | Dec 16 | Jan 9 | Feb 4 |
| 28°F | Feb 5 | Jan 15 | Dec 29 | Dec 24 | Jan 13 | Feb 1 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in New Port Richey, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 36 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.
New Port Richey planting FAQ
When is the last spring frost in New Port Richey, FL?
New Port Richey's average last spring frost falls near January 20 — 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 New Port Richey, FL?
In New Port Richey, the first 32°F freeze of fall lands around January 9 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is New Port Richey in?
New Port Richey is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.
How long is the growing season in New Port Richey?
New Port Richey has about -11 frost-free days — a short growing season — between the average last spring frost (January 20) and first fall frost (January 9).
When should I plant tomatoes in New Port Richey?
For New Port Richey, sow tomatoes indoors about November 25–December 9 and move the seedlings out around January 27, after the last spring frost.
Never miss a window in New Port Richey
An email when it’s time to start seeds, transplant, and sow — timed to New Port Richey’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- New Port Richey East · 3 km
- Elfers · 4 km
- Jasmine Estates · 6 km
- Holiday · 7 km
- Bayonet Point · 9 km
- Trinity · 10 km
- Tarpon Springs · 12 km
- Hudson · 13 km
Frost dates recorded at TARPON SPGS SEWAGE PLT, 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 New Port Richey, FL — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00088824. Retrieved from https://blissgarden.com/florida/new-port-richey.