Spring Hill, FL planting zone & frost dates

Spring Hill is in USDA hardiness zone 9b. The last spring frost usually comes around February 5 and the first fall frost around January 1, for a growing season of about 322 days.

USDA hardiness zone9bavg. extreme winter low 25°F to 30°F
Average last spring frostFebruary 590% chance of no frost after March 5
Average first fall frostJanuary 110% chance of frost by December 1
Growing season322 daysfrost-free days in an average year

Planting calendar for Spring Hill

Dates are counted from the average last spring frost (February 5) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.

CropWhen
TomatoesStart seeds indoors: Dec 11 – Dec 25
Transplant outdoors: Feb 12 – Feb 19
PeppersStart seeds indoors: Nov 27 – Dec 11
Transplant outdoors: Feb 19 – Feb 26
EggplantStart seeds indoors: Nov 27 – Dec 11
Transplant outdoors: Feb 19 – Feb 26
BroccoliStart seeds indoors: Nov 27 – Dec 11
Transplant outdoors: Jan 8 – Jan 22
CabbageStart seeds indoors: Nov 27 – Dec 11
Transplant outdoors: Jan 8 – Jan 22
Onions (sets)Plant outdoors: Jan 8 – Jan 22
PeasSow outdoors: Dec 25 – Jan 8
SpinachSow outdoors: Dec 25 – Jan 8
LettuceSow outdoors: Jan 8 – Jan 22
CarrotsSow outdoors: Jan 8 – Jan 22
PotatoesPlant outdoors: Jan 8 – Jan 22
BeansSow outdoors: Feb 12 – Feb 19
Sweet cornSow outdoors: Feb 12 – Feb 19
CucumbersSow outdoors: Feb 12 – Feb 19
Squash & zucchiniSow outdoors: Feb 12 – Feb 19
BasilStart seeds indoors: Dec 25 – Jan 8
Transplant outdoors: Feb 12 – Feb 19

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Nov 6 (8 weeks before the average first fall frost on Jan 1).

Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterJan 6Feb 5Mar 5
First 32°F frost in fall is beforeFeb 1Jan 1Dec 1

How to read it: in spring there is a 10% chance of a frost after March 5, so that is a safe date for tender plants. In fall there is a 10% chance of frost before December 1. A hard freeze (28°F) usually ends around January 24.

Hardiness zone by ZIP code in Spring Hill

Nearby cities

All cities in Florida → · Other zone 9b cities →

Questions

What growing zone is Spring Hill, FL?

Spring Hill is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map.

When is the last frost in Spring Hill?

The average last spring frost (32°F) in Spring Hill is February 5. There is still a 10% chance of frost until March 5.

When can I plant tomatoes in Spring Hill?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Feb 12 – Feb 19. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Weeki Wachee, FL (USC00089430), 6.7 km (4.2 mi) from the city center, elevation 6 m, based on 18 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.