When to plant in West Palm Beach, FL
USDA Zone 10bWest Palm Beach, Florida frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
With only about -6 frost-free days, West Palm Beach 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 West Palm Beach — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
PALM BEACH GARDENS · 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 West Palm Beach’s own odds, recorded at PALM BEACH GARDENS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Feb 22 | Jan 31 | Jan 1 | Dec 25 | Jan 17 | Feb 13 |
| 32°F | Feb 12 | Jan 21 | Dec 29 | Dec 25 | Jan 15 | 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 West Palm Beach, 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.
West Palm Beach planting FAQ
When is the last spring frost in West Palm Beach, FL?
West Palm Beach's average last spring frost falls near January 21 — 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 West Palm Beach, FL?
The first fall frost in West Palm Beach typically arrives around January 15 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is West Palm Beach in?
West Palm 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 West Palm Beach?
West Palm Beach has about -6 frost-free days — a short growing season — between the average last spring frost (January 21) and first fall frost (January 15).
When should I plant tomatoes in West Palm Beach?
For West Palm Beach, sow tomatoes indoors about November 26–December 10 and move the seedlings out around January 28, after the last spring frost.
Never miss a window in West Palm Beach
An email when it’s time to start seeds, transplant, and sow — timed to West Palm Beach’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Riviera Beach · 6 km
- North Palm Beach · 11 km
- Royal Palm Beach · 11 km
- Palm Beach Gardens · 12 km
- Palm Springs · 12 km
- Greenacres · 13 km
- The Acreage · 15 km
- Lake Worth Beach · 16 km
Frost dates recorded at PALM BEACH GARDENS, 9 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 West Palm Beach, FL — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00086764. Retrieved from https://blissgarden.com/florida/west-palm-beach.