Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for Miami, FL

Miami, FL is in USDA zones 10b to 11a across its 94 ZIP codes.

Miami on the zone map

Outlined: its 56 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zones10b–11a35 to 45 °F
ZIP codes94
Last frostrare
First frostrare
Growing seasonall year

10b 13 ZIPs   11a 81 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Miami, FL…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Perrine 4w, FL, elevation 10 ft) the median growing season is 365 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 33134 came on Jan 10 — about the same time as the 1991–2020 average (Jan 10).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 10b in Florida

497 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 35 °F or colder — the bottom of zone 10b. Each links to its USDA PLANTS profile.

Trees 70

Shrubs 118

Wildflowers & perennials 154

Grasses 135

Vines 12

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Miami, FL.

Soil in Miami, FL

The soil mapped at the center of ZIP 33134 is Sunny Isles — fine sand, poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureFine sanddrains and warms fast; dries out and needs more feeding
pH4.8strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter1.5%low — add compost
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land, 0 to 2 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 33134; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Miami, FL

Summer high89 °Faverage high, July
Winter low64 °Faverage low, January
Hot days29days a year at 90 °F or more
Freezing nights0nights a year at 32 °F or less
Growing degree days10,001base 50 °F — the season’s usable heat
Longest day13 h 45 mindaylight on June 21
Shortest day10 h 32 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation51 inper year, rain and melted snow

Average high and low, by month

50°60°70°80°90°100°January: average high 75 °F, low 64 °F 75°64° JanFebruary: average high 77 °F, low 66 °F 77°66° FebMarch: average high 78 °F, low 68 °F 78°68° MarApril: average high 81 °F, low 72 °F 81°72° AprMay: average high 84 °F, low 75 °F 84°75° MayJune: average high 87 °F, low 77 °F 87°77° JunJuly: average high 89 °F, low 80 °F 89°80° JulAugust: average high 89 °F, low 79 °F 89°79° AugSeptember: average high 88 °F, low 78 °F 88°78° SepOctober: average high 84 °F, low 76 °F 84°76° OctNovember: average high 80 °F, low 71 °F 80°71° NovDecember: average high 77 °F, low 66 °F 77°66° Dec

Precipitation by month inches

0″2″4″6″8″January: 2.33 in precipitation 2.3 JanFebruary: 2.27 in precipitation 2.3 FebMarch: 2.03 in precipitation 2.0 MarApril: 2.56 in precipitation 2.6 AprMay: 4.62 in precipitation 4.6 MayJune: 8.72 in precipitation 8.7 JunJuly: 4.20 in precipitation 4.2 JulAugust: 5.85 in precipitation 5.8 AugSeptember: 7.35 in precipitation 7.3 SepOctober: 5.96 in precipitation 6.0 OctNovember: 2.61 in precipitation 2.6 NovDecember: 2.45 in precipitation 2.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Miami WSO City, FL (2 mi away); precipitation: Miami WSO City, FL (2 mi away). Daylight is calculated from latitude.

ZIP codes in Miami

3310111a
40 to 45 °F
3310211a
40 to 45 °F
3310611a
40 to 45 °F
3311111a
40 to 45 °F
3311211a
40 to 45 °F
3311611a
40 to 45 °F
3312211a
40 to 45 °F
3312411a
40 to 45 °F
3312511a
40 to 45 °F
3312611a
40 to 45 °F
3312711a
40 to 45 °F
3312811a
40 to 45 °F
3312911a
40 to 45 °F
3313011a
40 to 45 °F
3313111a
40 to 45 °F
3313211a
40 to 45 °F
3313311a
40 to 45 °F
3313411a
40 to 45 °F
3313511a
40 to 45 °F
3313611a
40 to 45 °F
3313711a
40 to 45 °F
3313811a
40 to 45 °F
3314211a
40 to 45 °F
3314311a
40 to 45 °F
3314411a
40 to 45 °F
3314511a
40 to 45 °F
3314611a
40 to 45 °F
3314711a
40 to 45 °F
3315011a
40 to 45 °F
3315111a
40 to 45 °F
3315211a
40 to 45 °F
3315311a
40 to 45 °F
3315511a
40 to 45 °F
3315611a
40 to 45 °F
3315711a
40 to 45 °F
3315811a
40 to 45 °F
3316111a
40 to 45 °F
3316211a
40 to 45 °F
3316311a
40 to 45 °F
3316411a
40 to 45 °F
3316511a
40 to 45 °F
3316611a
40 to 45 °F
3316711a
40 to 45 °F
3316811a
40 to 45 °F
3316911a
40 to 45 °F
3317010b
35 to 40 °F
3317211a
40 to 45 °F
3317311a
40 to 45 °F
3317411a
40 to 45 °F
3317510b
35 to 40 °F
3317611a
40 to 45 °F
3317710b
35 to 40 °F
3317811a
40 to 45 °F
3317911a
40 to 45 °F
3318011a
40 to 45 °F
3318111a
40 to 45 °F
3318210b
35 to 40 °F
3318310b
35 to 40 °F
3318410b
35 to 40 °F
3318510b
35 to 40 °F
3318610b
35 to 40 °F
3318710b
35 to 40 °F
3318811a
40 to 45 °F
3318911a
40 to 45 °F
3319011a
40 to 45 °F
3319111a
40 to 45 °F
3319211a
40 to 45 °F
3319310b
35 to 40 °F
3319410b
35 to 40 °F
3319511a
40 to 45 °F
3319610b
35 to 40 °F
3319711a
40 to 45 °F
3319811a
40 to 45 °F
3320611a
40 to 45 °F
3322211a
40 to 45 °F
3323111a
40 to 45 °F
3323311a
40 to 45 °F
3323411a
40 to 45 °F
3323811a
40 to 45 °F
3324211a
40 to 45 °F
3324311a
40 to 45 °F
3324511a
40 to 45 °F
3324711a
40 to 45 °F
3325511a
40 to 45 °F
3325611a
40 to 45 °F
3325711a
40 to 45 °F
3326111a
40 to 45 °F
3326511a
40 to 45 °F
3326611a
40 to 45 °F
3326911a
40 to 45 °F
3328011a
40 to 45 °F
3328311a
40 to 45 °F
3329610b
35 to 40 °F
3329911a
40 to 45 °F

Florida planting zones →

Questions about Miami

What planting zone is Miami, FL?

Miami, FL is in USDA hardiness zones 10b to 11a on the 2023 map (10b: 35 to 40 °F; 11a: 40 to 45 °F).

What kind of onions grow in Miami, FL?

Short-day onions: the longest day is 13 h 45 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

How much rain and snow does Miami, FL get?

About 51 inches of precipitation a year (NOAA 1991–2020 normals).