Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 75077 — Lewisville, TX

ZIP code 75077 (Lewisville, Denton County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 13 and the first fall frost November 20.

Where ZIP 75077 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not 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.

Zone8b15 to 20 °F

Coldest night−9.4 to −6.7 °C

Last frostMar 13

First frostNov 20

2012 zone8a

Was 8a on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Lewisville, TX…

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 in Lewisville, TX

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMarch 13median — 50% chance of a later frost

Safe for tender plantsMarch 31only 10% chance of frost after

First fall frostNovember 20median — 10% chance by Nov 3

Growing season251 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 1 and returns around December 1.

From the NOAA station Denton 2 Se, TX — 9 miles away, elevation 630 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 75077

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Jan 30 – Feb 13

SpinachSow outdoors · Jan 30 – Feb 20

Broccoli, cabbageStart indoors · Jan 2 – Jan 16

Broccoli, cabbageTransplant · Feb 20 – Mar 6

Onion setsPlant outdoors · Feb 13 – Feb 27

PotatoesPlant outdoors · Feb 20 – Mar 6

LettuceSow outdoors · Feb 13 – Feb 27

Carrots, beetsSow outdoors · Feb 20 – Mar 6

TomatoesStart indoors · Jan 16 – Jan 30

TomatoesTransplant · Mar 20 – Apr 3

Peppers, eggplantStart indoors · Jan 2 – Jan 16

Peppers, eggplantTransplant · Mar 27 – Apr 10

BeansSow outdoors · Mar 20 – Apr 3

Sweet cornSow outdoors · Mar 20 – Apr 3

Cucumbers, squashSow outdoors · Mar 20 – Apr 3

Fall lettuce, spinachSow outdoors · Sep 25 – Oct 9

GarlicPlant cloves · Nov 6 – Dec 11

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 13) and first fall frost (Nov 20) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 75077 came on Feb 8 — about the same time as the 1991–2020 average (Feb 6).

average
Feb 62026
Feb 8

JanFebMarAprMayJun

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 8b in Texas

620 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.

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 Lewisville, TX.

Soil in Lewisville, TX

The soil mapped at the center of ZIP 75077 is Callisburg — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding

pH6.5neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter0.6%low — add compost

Hydrologic groupCwater soaks in slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Callisburg soils, 2 to 5 percent slopes, severely erode d.

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 75077; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lewisville, TX

Summer high96 °Faverage high, July

Winter low34 °Faverage low, January

Hot days95days a year at 90 °F or more

Freezing nights38nights a year at 32 °F or less

Growing degree days6,280base 50 °F — the season’s usable heat

Longest day14 h 20 mindaylight on June 21

Shortest day9 h 58 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation39.2 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Denton 2 Se, TX (9 mi away); precipitation: Flower Mound 2.3 Ne, TX (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

750288b

Flower Mound, TX · 3 mi

750658b

Lake Dallas, TX · 4 mi

750298b

Lewisville, TX · 5 mi

762108b

Denton, TX · 5 mi

750228b

Flower Mound, TX · 5 mi

750578b

Lewisville, TX · 5 mi

750678b

Lewisville, TX · 6 mi

762268b

Argyle, TX · 7 mi

All 4 ZIP codes in Lewisville → · Texas planting zones →

Questions about 75077

What planting zone is ZIP code 75077?

ZIP code 75077 (Lewisville, TX) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Lewisville, TX?

The median last spring frost (32 °F) near 75077 is March 13; after March 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Denton 2 Se station.

When is the first frost in Lewisville, TX?

The median first fall frost near 75077 is November 20, giving a median frost-free growing season of 251 days.

When should I plant tomatoes in 75077?

Start tomato seeds indoors around Jan 16 – Jan 30 and set transplants outside around Mar 20 – Apr 3, one to three weeks after the median last frost.

How much rain and snow does 75077 get?

About 39.2 inches of precipitation a year (NOAA 1991–2020 normals, Flower Mound 2.3 Ne station).

How hot do summers get in Lewisville, TX?

The average high peaks at 96 °F in July, with about 95 days a year at 90 °F or more.

What kind of soil does 75077 have?

The USDA soil survey maps Callisburg at the center of ZIP 75077: fine sandy loam, well drained, pH about 6.5 (neutral).

Did spring come early in Lewisville, TX in 2026?

Spring leaf-out near 75077 came on Feb 8 in 2026, about the same as the 1991–2020 average (Feb 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lewisville, TX?

Intermediate onions: the longest day near 75077 is 14 h 20 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 75077 change?

Yes. The 2012 USDA map put 75077 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.