Garland, TX planting zone & frost dates

Garland is in USDA hardiness zone 8b. The last spring frost usually comes around March 7 and the first fall frost around November 21, for a growing season of about 259 days.

USDA hardiness zone8bavg. extreme winter low 15°F to 20°F
Average last spring frostMarch 790% chance of no frost after March 29
Average first fall frostNovember 2110% chance of frost by November 2
Growing season259 daysfrost-free days in an average year

Planting calendar for Garland

Dates are counted from the average last spring frost (March 7) 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 10 – Jan 24
Transplant outdoors: Mar 14 – Mar 21
PeppersStart seeds indoors: Dec 27 – Jan 10
Transplant outdoors: Mar 21 – Mar 28
EggplantStart seeds indoors: Dec 27 – Jan 10
Transplant outdoors: Mar 21 – Mar 28
BroccoliStart seeds indoors: Dec 27 – Jan 10
Transplant outdoors: Feb 7 – Feb 21
CabbageStart seeds indoors: Dec 27 – Jan 10
Transplant outdoors: Feb 7 – Feb 21
Onions (sets)Plant outdoors: Feb 7 – Feb 21
PeasSow outdoors: Jan 24 – Feb 7
SpinachSow outdoors: Jan 24 – Feb 7
LettuceSow outdoors: Feb 7 – Feb 21
CarrotsSow outdoors: Feb 7 – Feb 21
PotatoesPlant outdoors: Feb 7 – Feb 21
BeansSow outdoors: Mar 14 – Mar 21
Sweet cornSow outdoors: Mar 14 – Mar 21
CucumbersSow outdoors: Mar 14 – Mar 21
Squash & zucchiniSow outdoors: Mar 14 – Mar 21
BasilStart seeds indoors: Jan 24 – Feb 7
Transplant outdoors: Mar 14 – Mar 21

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 26 (8 weeks before the average first fall frost on Nov 21).

Useful for zone 8b gardens

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Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterFeb 18Mar 7Mar 29
First 32°F frost in fall is beforeDec 9Nov 21Nov 2

How to read it: in spring there is a 10% chance of a frost after March 29, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 2. A hard freeze (28°F) usually ends around February 24.

Hardiness zone by ZIP code in Garland

Nearby cities

All cities in Texas → · Other zone 8b cities →

Questions

What growing zone is Garland, TX?

Garland is in USDA Plant Hardiness Zone 8b (average extreme winter low 15°F to 20°F), according to the USDA 2023 map.

When is the last frost in Garland?

The average last spring frost (32°F) in Garland is March 7. There is still a 10% chance of frost until March 29.

When can I plant tomatoes in Garland?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 14 – Mar 21. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Richardson, TX (USC00417588), 13.4 km (8.3 mi) from the city center, elevation 207 m, based on 11 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.