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

Planting zone for 77581 — Pearland, TX

ZIP code 77581 (Pearland, Brazoria County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is January 31 and the first fall frost December 27.

Where ZIP 77581 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostJan 31
First frostDec 27
2012 zone9a

Was 9a 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 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pearland, 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 Pearland, TX

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJanuary 31median — 50% chance of a later frost
Safe for tender plantsMarch 5only 10% chance of frost after
First fall frostDecember 27median — 10% chance by Nov 28
Growing season328 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 18 and returns around January 8.

From the NOAA station Houston Clover Field, TX — 4 miles away, elevation 43 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 77581

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 20 – Jan 3
SpinachSow outdoors · Dec 20 – Jan 10
Broccoli, cabbageStart indoors · Nov 22 – Dec 6
Broccoli, cabbageTransplant · Jan 10 – Jan 24
Onion setsPlant outdoors · Jan 3 – Jan 17
PotatoesPlant outdoors · Jan 10 – Jan 24
LettuceSow outdoors · Jan 3 – Jan 17
Carrots, beetsSow outdoors · Jan 10 – Jan 24
TomatoesStart indoors · Dec 6 – Dec 20
TomatoesTransplant · Feb 7 – Feb 21
Peppers, eggplantStart indoors · Nov 22 – Dec 6
Peppers, eggplantTransplant · Feb 14 – Feb 28
BeansSow outdoors · Feb 7 – Feb 21
Sweet cornSow outdoors · Feb 7 – Feb 21
Cucumbers, squashSow outdoors · Feb 7 – Feb 21
Fall lettuce, spinachSow outdoors · Nov 1 – Nov 15
GarlicPlant cloves · Dec 13 – Jan 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jan 31) and first fall frost (Dec 27) 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 77581 came on Jan 11 — 11 days earlier than the 1991–2020 average (Jan 22).

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 9b in Texas

646 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 25 °F or colder — the bottom of zone 9b. Each links to its USDA PLANTS profile.

Trees 72

Shrubs 142

Wildflowers & perennials 212

Grasses 197

Vines 14

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 Pearland, TX.

Soil in Pearland, TX

The soil mapped at the center of ZIP 77581 is Lake Charles — clay, moderately well drained.

TextureClayholds water and nutrients; slow to drain and warm up
pH7.1neutral; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter4%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classprime farmlandUSDA classification

Map unit: Lake Charles clay, 0 to 1 percent slopes.

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 77581; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pearland, TX

Summer high94 °Faverage high, August
Winter low46 °Faverage low, January
Hot days101days a year at 90 °F or more
Freezing nights6nights a year at 32 °F or less
Growing degree days7,903base 50 °F — the season’s usable heat
Longest day14 h 03 mindaylight on June 21
Shortest day10 h 15 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation53.3 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°100°January: average high 65 °F, low 46 °F 65°46° JanFebruary: average high 68 °F, low 50 °F 68°50° FebMarch: average high 74 °F, low 55 °F 74°55° MarApril: average high 80 °F, low 62 °F 80°62° AprMay: average high 86 °F, low 70 °F 86°70° MayJune: average high 91 °F, low 75 °F 91°75° JunJuly: average high 93 °F, low 76 °F 93°76° JulAugust: average high 94 °F, low 76 °F 94°76° AugSeptember: average high 90 °F, low 72 °F 90°72° SepOctober: average high 83 °F, low 63 °F 83°63° OctNovember: average high 73 °F, low 54 °F 73°54° NovDecember: average high 66 °F, low 48 °F 66°48° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.63 in precipitation 3.6 JanFebruary: 2.94 in precipitation 2.9 FebMarch: 2.84 in precipitation 2.8 MarApril: 3.67 in precipitation 3.7 AprMay: 5.13 in precipitation 5.1 MayJune: 5.21 in precipitation 5.2 JunJuly: 4.21 in precipitation 4.2 JulAugust: 5.63 in precipitation 5.6 AugSeptember: 5.40 in precipitation 5.4 SepOctober: 5.77 in precipitation 5.8 OctNovember: 4.21 in precipitation 4.2 NovDecember: 4.68 in precipitation 4.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Houston Clover Field, TX (4 mi away); precipitation: Houston Clover Field, TX (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 9b.

All 3 ZIP codes in Pearland → · Texas planting zones →

Questions about 77581

What planting zone is ZIP code 77581?

ZIP code 77581 (Pearland, TX) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

When is the last frost in Pearland, TX?

The median last spring frost (32 °F) near 77581 is January 31; after March 5 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Houston Clover Field station.

When is the first frost in Pearland, TX?

The median first fall frost near 77581 is December 27, giving a median frost-free growing season of 328 days.

When should I plant tomatoes in 77581?

Start tomato seeds indoors around Dec 6 – Dec 20 and set transplants outside around Feb 7 – Feb 21, one to three weeks after the median last frost.

How much rain and snow does 77581 get?

About 53.3 inches of precipitation a year (NOAA 1991–2020 normals, Houston Clover Field station).

How hot do summers get in Pearland, TX?

The average high peaks at 94 °F in August, with about 101 days a year at 90 °F or more.

What kind of soil does 77581 have?

The USDA soil survey maps Lake Charles at the center of ZIP 77581: clay, moderately well drained, pH about 7.1 (neutral).

Did spring come early in Pearland, TX in 2026?

Spring leaf-out near 77581 came on Jan 11 in 2026, 11 days earlier than the 1991–2020 average (Jan 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pearland, TX?

Short-day onions: the longest day near 77581 is 14 h 03 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 77581 change?

Yes. The 2012 USDA map put 77581 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.