Planting zone for Tampa, FL
Tampa, FL is in USDA zones 9b to 10a across its 55 ZIP codes.
Tampa on the zone map
Outlined: its 27 ZIP code areas · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
9b 13 ZIPs 10a 42 ZIPs
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Tampa, 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 Tampa Intl Airport, FL, elevation 20 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 33622 came on Jan 11 — 4 days earlier than the 1991–2020 average (Jan 15).
Jan 152026
Jan 11
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 9b in Florida
477 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 25 °F or colder — the bottom of zone 9b. Each links to its USDA PLANTS profile.
Trees 66
Shrubs 114
Wildflowers & perennials 146
Grasses 131
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 Tampa, FL.
Soil in Tampa, FL
The soil mapped at the center of ZIP 33622 is Matlacha — gravelly fine sand, somewhat poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.
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 33622; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Tampa, FL
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Tampa Intl Airport, FL (5 mi away); precipitation: Tampa 4.8 Sw, FL (4 mi away). Daylight is calculated from latitude.
ZIP codes in Tampa
Questions about Tampa
What planting zone is Tampa, FL?
Tampa, FL is in USDA hardiness zones 9b to 10a on the 2023 map (9b: 25 to 30 °F; 10a: 30 to 35 °F).
What kind of onions grow in Tampa, FL?
Short-day onions: the longest day is 13 h 55 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.
How much rain and snow does Tampa, FL get?
About 54.5 inches of precipitation a year (NOAA 1991–2020 normals).