Planting zone for 77332 — Dallardsville, TX
ZIP code 77332 (Dallardsville, Polk County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 6 and the first fall frost November 21.
Where ZIP 77332 is
tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
Was 8b 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 9a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Dallardsville, 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 Dallardsville, TX
A hard freeze (28 °F) usually ends around February 16 and returns around December 5.
From the NOAA station Wildwood, TX — 13 miles away, elevation 200 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 77332
Counted from the median last spring frost (Mar 6) and first fall frost (Nov 21) 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 77332 came on Jan 15 — 12 days earlier than the 1991–2020 average (Jan 27).
Jan 272026
Jan 15
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.
Trees 72
Shrubs 141
Wildflowers & perennials 208
Grasses 196
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 Dallardsville, TX.
Soil in Dallardsville, TX
The soil mapped at the center of ZIP 77332 is Pinetucky — fine sandy loam, moderately well drained.
Map unit: Pinetucky fine sandy loam, 1 to 5 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 77332; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Dallardsville, TX
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wildwood, TX (13 mi away); precipitation: Woodville 7.2 S, TX (12 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 9a.
Questions about 77332
What planting zone is ZIP code 77332?
ZIP code 77332 (Dallardsville, TX) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).
When is the last frost in Dallardsville, TX?
The median last spring frost (32 °F) near 77332 is March 6; after March 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wildwood station.
When is the first frost in Dallardsville, TX?
The median first fall frost near 77332 is November 21, giving a median frost-free growing season of 261 days.
When should I plant tomatoes in 77332?
Start tomato seeds indoors around Jan 9 – Jan 23 and set transplants outside around Mar 13 – Mar 27, one to three weeks after the median last frost.
How much rain and snow does 77332 get?
About 58.7 inches of precipitation a year (NOAA 1991–2020 normals, Woodville 7.2 S station).
How hot do summers get in Dallardsville, TX?
The average high peaks at 95 °F in July, with about 110 days a year at 90 °F or more.
What kind of soil does 77332 have?
The USDA soil survey maps Pinetucky at the center of ZIP 77332: fine sandy loam, moderately well drained, pH about 5.3 (strongly acidic).
Did spring come early in Dallardsville, TX in 2026?
Spring leaf-out near 77332 came on Jan 15 in 2026, 12 days earlier than the 1991–2020 average (Jan 27), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Dallardsville, TX?
Short-day onions: the longest day near 77332 is 14 h 08 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.
Did the zone for 77332 change?
Yes. The 2012 USDA map put 77332 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.