When to plant in South Miami Heights, FL
USDA Zone 10bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for South Miami Heights, Florida — all computed from South Miami Heights's nearest NOAA weather station.
With only about -5 frost-free days, South Miami Heights has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. Zone 10b is warm enough that South Miami Heights can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in South Miami Heights 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 Heights’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 Heights, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
2 within 31 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 Heights planting FAQ
When is the last spring frost in South Miami Heights, FL?
On average, the last spring frost in South Miami Heights 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 South Miami Heights, FL?
The first fall frost in South Miami Heights typically arrives around January 13 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is South Miami Heights in?
South Miami Heights is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in South Miami Heights?
There are roughly -5 frost-free days in South Miami Heights (a short growing season), running from the average last frost around January 18 to the first fall frost near January 13.
When should I plant tomatoes in South Miami Heights?
In South Miami Heights, start tomato seeds indoors around November 23–December 7, then transplant seedlings outdoors around January 25 once the danger of frost has passed.
Never miss a window in South Miami Heights
An email when it’s time to start seeds, transplant, and sow — timed to South Miami Heights’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- West Perrine · 3 km
- Goulds · 3 km
- Palmetto Estates · 5 km
- Richmond West · 5 km
- Cutler Bay · 5 km
- Princeton · 5 km
- Three Lakes · 6 km
- Country Walk · 7 km
Frost dates recorded at PERRINE 4W, 5 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 Heights, FL — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00087020. Retrieved from https://blissgarden.com/florida/south-miami-heights.