When to plant in Brownsville, FL
USDA Zone 11aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Brownsville, Florida — all computed from Brownsville's nearest NOAA weather station.
A ~-5-day frost-free window makes Brownsville a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. These dates come from a station roughly 33 km away, the closest with full normals; terrain around Brownsville (elevation, water, pavement) can move your real frost dates a few days either way. In zone 11a, frost is a minor factor for Brownsville — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in Brownsville is now 9 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
PERRINE 4W · 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 Brownsville’s own odds, recorded at PERRINE 4W.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Feb 23 | Jan 25 | Dec 30 | Dec 20 | Jan 15 | Feb 13 |
| 32°F | Feb 1 | Jan 18 | Dec 31 | Dec 31 | Jan 13 | Feb 1 |
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 Brownsville, drawn to the day from the local frost dates. The dashed line is today.
Brownsville planting FAQ
When is the last spring frost in Brownsville, FL?
On average, the last spring frost in Brownsville is around January 18 (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 Brownsville, FL?
Expect Brownsville's first fall frost near January 13 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Brownsville in?
Brownsville is in USDA hardiness zone 11a. In zone 11a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Brownsville?
Brownsville has about -5 frost-free days — a short growing season — between the average last spring frost (January 18) and first fall frost (January 13).
When should I plant tomatoes in Brownsville?
For Brownsville, sow tomatoes indoors about November 23–December 7 and move the seedlings out around January 25, after the last spring frost.
Never miss a window in Brownsville
An email when it’s time to start seeds, transplant, and sow — timed to Brownsville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Gladeview · 2 km
- West Little River · 4 km
- Miami Springs · 5 km
- Pinewood · 6 km
- Miami · 6 km
- Westview · 7 km
- Miami Shores · 8 km
- Hialeah · 8 km
Frost dates recorded at PERRINE 4W, 33 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 Brownsville, FL — Frost Dates & Zone 11a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00087020. Retrieved from https://blissgarden.com/florida/brownsville.