US Grow Zones

Dallas, Texas: planting zone & frost dates

Dallas is in USDA plant hardiness zone 8b, where the average coldest winter night reaches 15 to 20°F (-9.4 to -6.7°C). The typical last spring frost is around Mar 9 and the first fall frost around Nov 20.

Hardiness zone8B15 to 20°F
Last spring frostMar 930% chance of frost after
First fall frostNov 2030% chance of frost before
Growing season272 daysmedian frost-free days

Frost dates

ProbabilityLast spring frost (32°F)First fall frost (32°F)
Safer (10% risk)Mar 19Nov 10
Typical planning date (30% risk)Mar 9Nov 20
Median (50%)Mar 2Nov 29

How to read this: after the spring "10% risk" date, a 32°F frost happens in only about 1 year in 10. In fall, the "10% risk" date is the early end — a frost before it happens about 1 year in 10.

Frost data comes from NOAA station DALLAS LOVE FLD, TX (USW00013960), 6.6 mi (10.6 km) from the city center and 43 ft lower than the city center (-13 m). Record used for the 1991–2020 normals: 29 years.

Hardiness zone across Dallas

All 46 ZIP codes covering Dallas are in zone 8b.

ZIP codes in Dallas and their zones
ZIPZoneShare of city land
752178b7.9%
752418b7.0%
752118b4.9%
752168b4.4%
752368b3.9%
752538b3.9%
752298b3.6%
752278b3.4%
752208b3.3%
752288b3.3%
752128b2.9%
752438b2.6%
752158b2.3%
752328b2.3%
752148b2.2%
752488b2.2%
752308b2.1%
752188b2.0%
752358b2.0%
752378b2.0%
752388b1.9%
752478b1.9%
752088b1.8%
752248b1.7%
752318b1.6%
752498b1.6%
752878b1.6%
752528b1.5%
752038b1.4%
752068b1.2%
752078b1.1%
752338b1.1%
752408b1.1%
752098b1.0%
752238b0.9%
752258b0.9%
752048b0.8%
752548b0.8%
752108b0.7%
752198b0.7%
752018b0.4%
752268b0.3%
752028b0.2%
752518b0.2%
752468b0.1%
753908b0.0%

Vegetable planting calendar for Dallas

Dates are counted from the 30%-risk frost dates above (last frost Mar 9, first frost Nov 20). Shift a week later in cold spots or low-lying ground.

CropStart indoorsTransplant / plant outDirect sowFall crop sow/plant
TomatoJan 12 – Jan 26Mar 16 – Mar 30——
PepperDec 29 – Jan 12Mar 23 – Apr 6——
LettuceJan 26 – Feb 9Feb 23 – Mar 16Feb 9 – Mar 23Sep 11 – Oct 9
Green Beans——Mar 16 – Apr 20Aug 28 – Sep 11
Sweet Corn——Mar 16 – Apr 13—
Zucchini & Summer SquashFeb 9 – Feb 16Mar 16 – Mar 30Mar 16 – Apr 6Aug 28 – Sep 11
CucumberFeb 9 – Feb 16Mar 23 – Mar 30Mar 16 – Apr 6Aug 28 – Sep 11
Carrot——Feb 16 – Mar 23Aug 28 – Sep 11
OnionDec 15 – Dec 29Feb 9 – Feb 23——
Potato—Feb 9 – Mar 2——
BasilJan 26 – Feb 9Mar 23 – Apr 6Mar 23 – Apr 13—
Spinach——Jan 26 – Feb 23Sep 25 – Oct 23
KaleJan 12 – Jan 26Feb 9 – Mar 2Feb 9 – Mar 2Sep 11 – Oct 9
BroccoliJan 12 – Jan 26Feb 23 – Mar 16—Aug 28 – Sep 11
Peas——Jan 26 – Feb 16Sep 11 – Sep 25
EggplantDec 29 – Jan 12Mar 23 – Apr 6——
CabbageJan 12 – Jan 26Feb 9 – Feb 23—Aug 28 – Sep 11
Radish——Feb 2 – Mar 23Oct 9 – Nov 6
Strawberry—Feb 9 – Mar 2——
Beets——Feb 16 – Mar 30Sep 11 – Sep 25

Nearby cities in Texas

More: all Texas cities · other zone 8b cities: Fort Worth, TX, El Paso, TX, Virginia Beach, VA, Arlington, TX, Plano, TX, Irving, TX, Garland, TX, Frisco, TX