When to plant in Port Salerno, FL
USDA Zone 10bEverything below — frost dates, hardiness zone, and what to plant when in Port Salerno, Florida — is derived from the closest NOAA station with complete climate normals.
With only about -5 frost-free days, Port Salerno has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. In zone 10b, frost is a minor factor for Port Salerno — most perennials thrive, and annual vegetables can go out early and stay late.
The average first fall frost in Port Salerno is now 6 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
STUART · 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 Port Salerno’s own odds, recorded at STUART.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Feb 17 | Jan 27 | Jan 3 | Dec 28 | Jan 17 | Feb 9 |
| 32°F | Feb 10 | Jan 23 | Jan 4 | Jan 1 | Jan 18 | Feb 9 |
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 Port Salerno, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 34 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.
Port Salerno planting FAQ
When is the last spring frost in Port Salerno, FL?
Port Salerno's average last spring frost falls near January 23 — 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 Port Salerno, FL?
In Port Salerno, the first 32°F freeze of fall lands around January 18 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Port Salerno in?
Port Salerno is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Port Salerno?
Port Salerno has about -5 frost-free days — a short growing season — between the average last spring frost (January 23) and first fall frost (January 18).
When should I plant tomatoes in Port Salerno?
For Port Salerno, sow tomatoes indoors about November 28–December 12 and move the seedlings out around January 30, after the last spring frost.
Never miss a window in Port Salerno
An email when it’s time to start seeds, transplant, and sow — timed to Port Salerno’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Stuart · 8 km
- Hobe Sound · 9 km
- Palm City · 10 km
- Jensen Beach · 12 km
- Port St. Lucie · 25 km
- Jupiter Farms · 25 km
- Jupiter · 26 km
- Palm Beach Gardens · 33 km
Frost dates recorded at STUART, 7 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 Port Salerno, FL — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00088620. Retrieved from https://blissgarden.com/florida/port-salerno.