Planting zone for Jacksonville, FL
Jacksonville, FL is in USDA zones 9a to 9b across its 47 ZIP codes.
Jacksonville on the zone map
Outlined: its 33 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.
9a 6 ZIPs 9b 41 ZIPs
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Jacksonville, 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 Jacksonville NAS, FL, elevation 20 ft) the median growing season is 330 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 32202 came on Jan 16 — 6 days earlier than the 1991–2020 average (Jan 22).
Jan 222026
Jan 16
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 9a in Florida
473 plants native to the lower 48 states, recorded in Florida, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.
Trees 66
Shrubs 113
Wildflowers & perennials 143
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 Jacksonville, FL.
Soil in Jacksonville, FL
The soil mapped at the center of ZIP 32202 is Pelham — fine sand, poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.
Map unit: Urban land.
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 32202; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Jacksonville, FL
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Jacksonville NAS, FL (6 mi away); precipitation: Jacksonville 4.2 Ese, FL (3 mi away). Daylight is calculated from latitude.
ZIP codes in Jacksonville
Questions about Jacksonville
What planting zone is Jacksonville, FL?
Jacksonville, FL is in USDA hardiness zones 9a to 9b on the 2023 map (9a: 20 to 25 °F; 9b: 25 to 30 °F).
What kind of onions grow in Jacksonville, FL?
Short-day onions: the longest day is 14 h 06 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.
How much rain and snow does Jacksonville, FL get?
About 53.1 inches of precipitation a year (NOAA 1991–2020 normals).