When to plant in Boynton Beach, FL
USDA Zone 10bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Boynton Beach, Florida — all computed from Boynton Beach's nearest NOAA weather station.
A ~-5-day frost-free window makes Boynton Beach a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. In zone 10b, frost is a minor factor for Boynton Beach — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
LOXAHATCHEE NWR · 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 Boynton Beach’s own odds, recorded at LOXAHATCHEE NWR.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Feb 22 | Jan 26 | Jan 3 | Dec 28 | Jan 16 | Feb 13 |
| 32°F | Feb 7 | Jan 22 | Dec 31 | Dec 31 | Jan 17 | Feb 5 |
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 Boynton Beach, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 37 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.
Boynton Beach planting FAQ
When is the last spring frost in Boynton Beach, FL?
On average, the last spring frost in Boynton Beach is around January 22 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Boynton Beach, FL?
The first fall frost in Boynton Beach typically arrives around January 17 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Boynton Beach in?
Boynton Beach is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Boynton Beach?
Boynton Beach has about -5 frost-free days — a short growing season — between the average last spring frost (January 22) and first fall frost (January 17).
When should I plant tomatoes in Boynton Beach?
For Boynton Beach, sow tomatoes indoors about November 27–December 11 and move the seedlings out around January 29, after the last spring frost.
Never miss a window in Boynton Beach
An email when it’s time to start seeds, transplant, and sow — timed to Boynton Beach’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lantana · 7 km
- Delray Beach · 8 km
- Lake Worth Beach · 10 km
- Palm Springs · 12 km
- Greenacres · 12 km
- Boca Raton · 17 km
- Wellington · 23 km
- Royal Palm Beach · 24 km
Frost dates recorded at LOXAHATCHEE NWR, 14 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 Boynton Beach, FL — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00085184. Retrieved from https://blissgarden.com/florida/boynton-beach.