Planting zone for 72733 — Gateway, AR
ZIP code 72733 (Gateway, Benton County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 18 and the first fall frost October 22.
Where ZIP 72733 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 6b 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 7a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Gateway, AR…
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 Gateway, AR
A hard freeze (28 °F) usually ends around April 6 and returns around November 1.
From the NOAA station Seligman, MO — 4 miles away, elevation 1,529 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 72733
Counted from the median last spring frost (Apr 18) and first fall frost (Oct 22) 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 72733 came on Feb 14 — 19 days earlier than the 1991–2020 average (Mar 5).
Mar 52026
Feb 14
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).
Soil in Gateway, AR
The soil mapped at the center of ZIP 72733 is Peridge — silt loam, well drained.
Map unit: Peridge silt loam, 3 to 8 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 72733; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Gateway, AR
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Seligman, MO (4 mi away); precipitation: Seligman 3.0 N, MO (6 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 7a.
Questions about 72733
What planting zone is ZIP code 72733?
ZIP code 72733 (Gateway, AR) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).
When is the last frost in Gateway, AR?
The median last spring frost (32 °F) near 72733 is April 18; after May 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Seligman station.
When is the first frost in Gateway, AR?
The median first fall frost near 72733 is October 22, giving a median frost-free growing season of 185 days.
When should I plant tomatoes in 72733?
Start tomato seeds indoors around Feb 21 – Mar 7 and set transplants outside around Apr 25 – May 9, one to three weeks after the median last frost.
How much rain and snow does 72733 get?
About 49.1 inches of precipitation a year (NOAA 1991–2020 normals, Seligman 3.0 N station).
How hot do summers get in Gateway, AR?
The average high peaks at 88 °F in July, with about 31 days a year at 90 °F or more.
What kind of soil does 72733 have?
The USDA soil survey maps Peridge at the center of ZIP 72733: silt loam, well drained, pH about 5.3 (strongly acidic).
Did spring come early in Gateway, AR in 2026?
Spring leaf-out near 72733 came on Feb 14 in 2026, 19 days earlier than the 1991–2020 average (Mar 5), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Gateway, AR?
Intermediate onions: the longest day near 72733 is 14 h 39 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 72733 change?
Yes. The 2012 USDA map put 72733 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.