When to plant in Tarpon Springs, FL
USDA Zone 10aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Tarpon Springs, Florida — all computed from Tarpon Springs's nearest NOAA weather station.
Tarpon Springs's growing season is short at roughly -11 days, so succession planting is limited; lean on transplants over direct sowing for anything slow to mature. Zone 10a is warm enough that Tarpon Springs can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
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 Tarpon Springs’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 Tarpon Springs, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 31 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.
Tarpon Springs planting FAQ
When is the last spring frost in Tarpon Springs, FL?
Plan for the last spring frost in Tarpon Springs around January 20 (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 Tarpon Springs, FL?
Expect Tarpon Springs's first fall frost near January 9 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Tarpon Springs in?
Tarpon Springs is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Tarpon Springs?
There are roughly -11 frost-free days in Tarpon Springs (a short growing season), running from the average last frost around January 20 to the first fall frost near January 9.
When should I plant tomatoes in Tarpon Springs?
In Tarpon Springs, start tomato seeds indoors around November 25–December 9, then transplant seedlings outdoors around January 27 once the danger of frost has passed.
Never miss a window in Tarpon Springs
An email when it’s time to start seeds, transplant, and sow — timed to Tarpon Springs’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Holiday · 5 km
- Palm Harbor · 7 km
- Elfers · 9 km
- East Lake · 9 km
- New Port Richey · 12 km
- Dunedin · 12 km
- Trinity · 13 km
- New Port Richey East · 15 km
Frost dates recorded at TARPON SPGS SEWAGE PLT, 3 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 Tarpon Springs, FL — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00088824. Retrieved from https://blissgarden.com/florida/tarpon-springs.