Planting zone for 10540 — Lincolndale, NY
ZIP code 10540 (Lincolndale, Westchester County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 25 and the first fall frost October 19.
Where ZIP 10540 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.
Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Lincolndale, 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 Lincolndale, NY
A hard freeze (28 °F) usually ends around April 13 and returns around November 1.
From the NOAA station Yorktown Hts 1w, NY — 6 miles away, elevation 669 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 10540
Counted from the median last spring frost (Apr 25) and first fall frost (Oct 19) 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 10540 came on Apr 2 — about the same time as the 1991–2020 average (Apr 4).
Apr 42026
Apr 2
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 6b in New York
641 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.
Trees 77
Shrubs 130
Wildflowers & perennials 217
Grasses 192
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 Lincolndale, NY.
Soil in Lincolndale, NY
The soil mapped at the center of ZIP 10540 is Ridgebury — moderately decomposed plant material, poorly drained.
Map unit: Ridgebury complex, 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 10540; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Lincolndale, NY
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Yorktown Hts 1w, NY (6 mi away); precipitation: Yorktown Hts 1w, NY (6 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 10540
What planting zone is ZIP code 10540?
ZIP code 10540 (Lincolndale, NY) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).
When is the last frost in Lincolndale, NY?
The median last spring frost (32 °F) near 10540 is April 25; after May 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Yorktown Hts 1w station.
When is the first frost in Lincolndale, NY?
The median first fall frost near 10540 is October 19, giving a median frost-free growing season of 174 days.
When should I plant tomatoes in 10540?
Start tomato seeds indoors around Feb 28 – Mar 14 and set transplants outside around May 2 – May 16, one to three weeks after the median last frost.
How much rain and snow does 10540 get?
About 50.3 inches of precipitation a year and 40 inches of snowfall (NOAA 1991–2020 normals, Yorktown Hts 1w station).
How hot do summers get in Lincolndale, NY?
The average high peaks at 83 °F in July, with about 10 days a year at 90 °F or more.
What kind of soil does 10540 have?
The USDA soil survey maps Ridgebury at the center of ZIP 10540: moderately decomposed plant material, poorly drained.
Did spring come early in Lincolndale, NY in 2026?
Spring leaf-out near 10540 came on Apr 2 in 2026, about the same as the 1991–2020 average (Apr 4), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Lincolndale, NY?
Long-day onions: the longest day near 10540 is 15 h 10 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).