When to plant in South Miami, FL
USDA Zone 11aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for South Miami, Florida — all computed from South Miami's nearest NOAA weather station.
South Miami's growing season is short at roughly -5 days, so succession planting is limited; lean on transplants over direct sowing for anything slow to mature. Heads up: the nearest complete-normals station is about 20 km from South Miami, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. In zone 11a, frost is a minor factor for South Miami — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in South Miami 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 South Miami’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 South Miami, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
2 within 47 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.
South Miami planting FAQ
When is the last spring frost in South Miami, FL?
Plan for the last spring frost in South Miami around January 18 (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 South Miami, FL?
Expect South Miami'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 South Miami in?
South Miami is in USDA hardiness zone 11a. In zone 11a, winters are mild — many tender perennials overwinter here.
How long is the growing season in South Miami?
South Miami 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 South Miami?
For South Miami, 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 South Miami
An email when it’s time to start seeds, transplant, and sow — timed to South Miami’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Glenvar Heights · 2 km
- Coral Terrace · 4 km
- Coral Gables · 4 km
- Olympia Heights · 5 km
- Pinecrest · 5 km
- Sunset · 6 km
- Westchester · 7 km
- Kendall · 7 km
Frost dates recorded at PERRINE 4W, 20 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 South Miami, FL — Frost Dates & Zone 11a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00087020. Retrieved from https://blissgarden.com/florida/south-miami.