Planting zone for 14873 — Prattsburgh, NY
ZIP code 14873 (Prattsburgh, Steuben County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 12 and the first fall frost October 3.
Where ZIP 14873 is
Outlined: the ZIP code area · 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 5b 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 6a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Prattsburgh, NY…
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 Prattsburgh, NY
A hard freeze (28 °F) usually ends around May 1 and returns around October 16.
From the NOAA station Bath, NY — 12 miles away, elevation 1,119 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 14873
Counted from the median last spring frost (May 12) and first fall frost (Oct 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 14873 came on Apr 10 — 8 days earlier than the 1991–2020 average (Apr 18).
Apr 182026
Apr 10
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 6a in New York
635 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.
Trees 77
Shrubs 129
Wildflowers & perennials 215
Grasses 189
Vines 8
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 Prattsburgh, NY.
Soil in Prattsburgh, NY
The soil mapped at the center of ZIP 14873 is Lordstown — moderately decomposed plant material, well drained.
Map unit: Lordstown-Arnot complex, very steep, very rocky.
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 14873; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Prattsburgh, NY
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Bath, NY (12 mi away); precipitation: Penn Yan Airport, NY (15 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 14873
What planting zone is ZIP code 14873?
ZIP code 14873 (Prattsburgh, NY) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).
When is the last frost in Prattsburgh, NY?
The median last spring frost (32 °F) near 14873 is May 12; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Bath station.
When is the first frost in Prattsburgh, NY?
The median first fall frost near 14873 is October 3, giving a median frost-free growing season of 144 days.
When should I plant tomatoes in 14873?
Start tomato seeds indoors around Mar 17 – Mar 31 and set transplants outside around May 19 – Jun 2, one to three weeks after the median last frost.
How much rain and snow does 14873 get?
About 30.2 inches of precipitation a year (NOAA 1991–2020 normals, Penn Yan Airport station).
How hot do summers get in Prattsburgh, NY?
The average high peaks at 83 °F in July, with about 11 days a year at 90 °F or more.
What kind of soil does 14873 have?
The USDA soil survey maps Lordstown at the center of ZIP 14873: moderately decomposed plant material, well drained, pH about 4.8 (strongly acidic).
Did spring come early in Prattsburgh, NY in 2026?
Spring leaf-out near 14873 came on Apr 10 in 2026, 8 days earlier than the 1991–2020 average (Apr 18), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Prattsburgh, NY?
Long-day onions: the longest day near 14873 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 14873 change?
Yes. The 2012 USDA map put 14873 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.