Planting zone for 13083 — Lacona, NY
ZIP code 13083 (Lacona, Oswego County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 10 and the first fall frost October 14.
Where ZIP 13083 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 4b 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 5a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Lacona, 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 Lacona, NY
A hard freeze (28 °F) usually ends around April 28 and returns around November 1.
From the NOAA station Pulaski, NY — 9 miles away, elevation 400 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 13083
Counted from the median last spring frost (May 10) and first fall frost (Oct 14) 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 13083 came on Apr 13 — 7 days earlier than the 1991–2020 average (Apr 20).
Apr 202026
Apr 13
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 5a in New York
584 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.
Trees 68
Shrubs 116
Wildflowers & perennials 201
Grasses 179
Vines 7
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 Lacona, NY.
Soil in Lacona, NY
The soil mapped at the center of ZIP 13083 is Colton — gravelly loamy sand, excessively drained.
Map unit: Colton-Hinckley complex, rolling.
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 13083; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Lacona, NY
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pulaski, NY (9 mi away); precipitation: Redfield 8n, NY (5 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
6 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 13083
What planting zone is ZIP code 13083?
ZIP code 13083 (Lacona, NY) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).
When is the last frost in Lacona, NY?
The median last spring frost (32 °F) near 13083 is May 10; after May 26 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pulaski station.
When is the first frost in Lacona, NY?
The median first fall frost near 13083 is October 14, giving a median frost-free growing season of 156 days.
When should I plant tomatoes in 13083?
Start tomato seeds indoors around Mar 15 – Mar 29 and set transplants outside around May 17 – May 31, one to three weeks after the median last frost.
How much rain and snow does 13083 get?
About 57 inches of precipitation a year (NOAA 1991–2020 normals, Redfield 8n station).
How hot do summers get in Lacona, NY?
The average high peaks at 79 °F in July, with about 3 days a year at 90 °F or more.
What kind of soil does 13083 have?
The USDA soil survey maps Colton at the center of ZIP 13083: gravelly loamy sand, excessively drained, pH about 4.8 (strongly acidic).
Did spring come early in Lacona, NY in 2026?
Spring leaf-out near 13083 came on Apr 13 in 2026, 7 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Lacona, NY?
Long-day onions: the longest day near 13083 is 15 h 27 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 13083 change?
Yes. The 2012 USDA map put 13083 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.