When to plant in Stuart, FL
USDA Zone 10bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Stuart, Florida — all computed from Stuart's nearest NOAA weather station.
With only about -5 frost-free days, Stuart has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. Zone 10b is warm enough that Stuart can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average first fall frost in Stuart 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 Stuart’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 Stuart, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 29 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.
Stuart planting FAQ
When is the last spring frost in Stuart, FL?
Plan for the last spring frost in Stuart around January 23 (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 Stuart, FL?
In Stuart, 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 Stuart in?
Stuart is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Stuart?
There are roughly -5 frost-free days in Stuart (a short growing season), running from the average last frost around January 23 to the first fall frost near January 18.
When should I plant tomatoes in Stuart?
In Stuart, start tomato seeds indoors around November 28–December 12, then transplant seedlings outdoors around January 30 once the danger of frost has passed.
Never miss a window in Stuart
An email when it’s time to start seeds, transplant, and sow — timed to Stuart’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Palm City · 5 km
- Jensen Beach · 5 km
- Port Salerno · 8 km
- Hobe Sound · 17 km
- Port St. Lucie · 17 km
- Fort Pierce · 27 km
- Jupiter Farms · 30 km
- Jupiter · 33 km
Frost dates recorded at STUART, 1 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 Stuart, FL — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00088620. Retrieved from https://blissgarden.com/florida/stuart.