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

Planting zone for Cypress, TX

Cypress, TX is in USDA zones 9a to 9b across its 3 ZIP codes. The median last spring frost is February 19 and the first fall frost December 3.

Cypress on the zone map

Outlined: its 2 ZIP code areas · 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.

Zones9a–9b20 to 30 °F

ZIP codes3

Last frostFeb 19

First frostDec 3

Growing season290 days

9a 1 ZIP 9b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Cypress, 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 Cypress, TX

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostFebruary 19median — 50% chance of a later frost

Safe for tender plantsMarch 15only 10% chance of frost after

First fall frostDecember 3median — 10% chance by Nov 13

Growing season290 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 31 and returns around December 29.

From the NOAA station Houston Hooks Mem Airport, TX, elevation 151 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 Cypress

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Jan 8 – Jan 22

SpinachSow outdoors · Jan 8 – Jan 29

Broccoli, cabbageStart indoors · Dec 11 – Dec 25

Broccoli, cabbageTransplant · Jan 29 – Feb 12

Onion setsPlant outdoors · Jan 22 – Feb 5

PotatoesPlant outdoors · Jan 29 – Feb 12

LettuceSow outdoors · Jan 22 – Feb 5

Carrots, beetsSow outdoors · Jan 29 – Feb 12

TomatoesStart indoors · Dec 25 – Jan 8

TomatoesTransplant · Feb 26 – Mar 12

Peppers, eggplantStart indoors · Dec 11 – Dec 25

Peppers, eggplantTransplant · Mar 5 – Mar 19

BeansSow outdoors · Feb 26 – Mar 12

Sweet cornSow outdoors · Feb 26 – Mar 12

Cucumbers, squashSow outdoors · Feb 26 – Mar 12

Fall lettuce, spinachSow outdoors · Oct 8 – Oct 22

GarlicPlant cloves · Nov 19 – Dec 24

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 19) and first fall frost (Dec 3) 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 77410 came on Jan 10 — 14 days earlier than the 1991–2020 average (Jan 24).

average
Jan 242026
Jan 10

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 9a in Texas

640 plants native to the lower 48 states, recorded in Texas, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. 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 Cypress, TX.

Soil in Cypress, TX

The soil mapped at the center of ZIP 77410 is Clodine — fine sandy loam, somewhat poorly drained.

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

pH6.8neutral; most vegetables like 6.0–7.0

DrainageSomewhat poorly drainedconsider raised beds

Organic matter1.32%low — add compost

Hydrologic groupC/Dslow when drained; wet otherwise

Farmland classNot prime farmlandUSDA classification

Map unit: Clodine-Urban land complex, 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 77410; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cypress, TX

Summer high95 °Faverage high, August

Winter low43 °Faverage low, January

Hot days111days a year at 90 °F or more

Freezing nights14nights a year at 32 °F or less

Growing degree days7,443base 50 °F — the season’s usable heat

Longest day14 h 05 mindaylight on June 21

Shortest day10 h 13 mindaylight on December 21

Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb

Precipitation51.3 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: Houston Hooks Mem Airport, TX (11 mi away); precipitation: Cypress, TX (4 mi away). Daylight is calculated from latitude.

ZIP codes in Cypress

Texas planting zones →

Questions about Cypress

What planting zone is Cypress, TX?

Cypress, TX is in USDA hardiness zones 9a to 9b on the 2023 map (9a: 20 to 25 °F; 9b: 25 to 30 °F).

When is the last frost in Cypress, TX?

The median last spring frost is February 19 and the median first fall frost is December 3 (NOAA 1991–2020 normals, Houston Hooks Mem Airport station).

When can I plant a garden in Cypress, TX?

Cool-season crops like peas and spinach go in around Jan 8 – Jan 29; tomatoes, peppers, beans and squash after about Feb 26, once frost risk has passed.

What kind of onions grow in Cypress, TX?

Short-day onions: the longest day is 14 h 05 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

How much rain and snow does Cypress, TX get?

About 51.3 inches of precipitation a year (NOAA 1991–2020 normals).