When to plant in Hobe Sound, FL
USDA Zone 10bHobe Sound, Florida frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
A ~-11-day frost-free window makes Hobe Sound a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. Zone 10b is warm enough that Hobe Sound can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
PORT SALERNO 5W · 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 Hobe Sound’s own odds, recorded at PORT SALERNO 5W.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 3 | Feb 3 | Jan 3 | Dec 22 | Jan 12 | Feb 13 |
| 32°F | Feb 18 | Jan 26 | Jan 1 | Dec 26 | Jan 15 | Feb 10 |
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 Hobe Sound, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 25 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.
Hobe Sound planting FAQ
When is the last spring frost in Hobe Sound, FL?
Plan for the last spring frost in Hobe Sound around January 26 (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 Hobe Sound, FL?
Expect Hobe Sound's first fall frost near January 15 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Hobe Sound in?
Hobe Sound is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Hobe Sound?
There are roughly -11 frost-free days in Hobe Sound (a short growing season), running from the average last frost around January 26 to the first fall frost near January 15.
When should I plant tomatoes in Hobe Sound?
In Hobe Sound, start tomato seeds indoors around December 1–December 15, then transplant seedlings outdoors around February 2 once the danger of frost has passed.
Never miss a window in Hobe Sound
An email when it’s time to start seeds, transplant, and sow — timed to Hobe Sound’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Port Salerno · 9 km
- Stuart · 17 km
- Jupiter · 17 km
- Jupiter Farms · 18 km
- Palm City · 18 km
- Jensen Beach · 21 km
- Palm Beach Gardens · 25 km
- North Palm Beach · 29 km
Frost dates recorded at PORT SALERNO 5W, 12 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 Hobe Sound, FL — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00087304. Retrieved from https://blissgarden.com/florida/hobe-sound.