Planting zone for 13139 — Poplar Ridge, NY
ZIP code 13139 (Poplar Ridge, Cayuga County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 1 and the first fall frost October 21.
Where ZIP 13139 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 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 Poplar Ridge, 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 Poplar Ridge, NY
A hard freeze (28 °F) usually ends around April 19 and returns around November 3.
From the NOAA station Aurora Rsch Farm, NY — 2 miles away, elevation 830 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 13139
Counted from the median last spring frost (May 1) and first fall frost (Oct 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 13139 came on Apr 10 — 3 days earlier than the 1991–2020 average (Apr 13).
Apr 132026
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 Poplar Ridge, NY.
Soil in Poplar Ridge, NY
The soil mapped at the center of ZIP 13139 is Honeoye — silt loam, well drained.
Map unit: Honeoye 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 13139; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Poplar Ridge, NY
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Aurora Rsch Farm, NY (2 mi away); precipitation: Aurora Rsch Farm, NY (2 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
3 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 13139
What planting zone is ZIP code 13139?
ZIP code 13139 (Poplar Ridge, 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 Poplar Ridge, NY?
The median last spring frost (32 °F) near 13139 is May 1; after May 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Aurora Rsch Farm station.
When is the first frost in Poplar Ridge, NY?
The median first fall frost near 13139 is October 21, giving a median frost-free growing season of 172 days.
When should I plant tomatoes in 13139?
Start tomato seeds indoors around Mar 6 – Mar 20 and set transplants outside around May 8 – May 22, one to three weeks after the median last frost.
How much rain and snow does 13139 get?
About 37 inches of precipitation a year and 56 inches of snowfall (NOAA 1991–2020 normals, Aurora Rsch Farm station).
How hot do summers get in Poplar Ridge, NY?
The average high peaks at 80 °F in July, with about 7 days a year at 90 °F or more.
What kind of soil does 13139 have?
The USDA soil survey maps Honeoye at the center of ZIP 13139: silt loam, well drained, pH about 6.3 (slightly acidic).
Did spring come early in Poplar Ridge, NY in 2026?
Spring leaf-out near 13139 came on Apr 10 in 2026, 3 days earlier than the 1991–2020 average (Apr 13), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Poplar Ridge, NY?
Long-day onions: the longest day near 13139 is 15 h 20 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 13139 change?
Yes. The 2012 USDA map put 13139 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.