Georgetown, TX planting zone & frost dates

Georgetown is in USDA hardiness zone 9a. The last spring frost usually comes around March 6 and the first fall frost around November 24, for a growing season of about 259 days.

USDA hardiness zone9aavg. extreme winter low 20°F to 25°F
Average last spring frostMarch 690% chance of no frost after March 30
Average first fall frostNovember 2410% chance of frost by November 5
Growing season259 daysfrost-free days in an average year

Planting calendar for Georgetown

Dates are counted from the average last spring frost (March 6) 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: Jan 9 – Jan 23
Transplant outdoors: Mar 13 – Mar 20
PeppersStart seeds indoors: Dec 26 – Jan 9
Transplant outdoors: Mar 20 – Mar 27
EggplantStart seeds indoors: Dec 26 – Jan 9
Transplant outdoors: Mar 20 – Mar 27
BroccoliStart seeds indoors: Dec 26 – Jan 9
Transplant outdoors: Feb 6 – Feb 20
CabbageStart seeds indoors: Dec 26 – Jan 9
Transplant outdoors: Feb 6 – Feb 20
Onions (sets)Plant outdoors: Feb 6 – Feb 20
PeasSow outdoors: Jan 23 – Feb 6
SpinachSow outdoors: Jan 23 – Feb 6
LettuceSow outdoors: Feb 6 – Feb 20
CarrotsSow outdoors: Feb 6 – Feb 20
PotatoesPlant outdoors: Feb 6 – Feb 20
BeansSow outdoors: Mar 13 – Mar 20
Sweet cornSow outdoors: Mar 13 – Mar 20
CucumbersSow outdoors: Mar 13 – Mar 20
Squash & zucchiniSow outdoors: Mar 13 – Mar 20
BasilStart seeds indoors: Jan 23 – Feb 6
Transplant outdoors: Mar 13 – Mar 20

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 29 (8 weeks before the average first fall frost on Nov 24).

Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterFeb 13Mar 6Mar 30
First 32°F frost in fall is beforeDec 10Nov 24Nov 5

How to read it: in spring there is a 10% chance of a frost after March 30, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 5. A hard freeze (28°F) usually ends around February 23.

Hardiness zone by ZIP code in Georgetown

Nearby cities

All cities in Texas → · Other zone 9a cities →

Questions

What growing zone is Georgetown, TX?

Georgetown is in USDA Plant Hardiness Zone 9a (average extreme winter low 20°F to 25°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 8b.

When is the last frost in Georgetown?

The average last spring frost (32°F) in Georgetown is March 6. There is still a 10% chance of frost until March 30.

When can I plant tomatoes in Georgetown?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 13 – Mar 20. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Georgetown Lake, TX (USC00413507), 6.4 km (4.0 mi) from the city center, elevation 266 m, based on 23 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.