Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 14589 — Williamson, NY

ZIP code 14589 (Williamson, Wayne County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is May 6 and the first fall frost October 10.

Where ZIP 14589 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostMay 6
First frostOct 10
2012 zone6a

Was 6a 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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Williamson, 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 Williamson, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 6median — 50% chance of a later frost
Safe for tender plantsMay 21only 10% chance of frost after
First fall frostOctober 10median — 10% chance by Sep 27
Growing season158 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 25 and returns around October 25.

From the NOAA station Sodus 1w, NY — 4 miles away, elevation 443 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 14589

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 25 – Apr 8
SpinachSow outdoors · Mar 25 – Apr 15
Broccoli, cabbageStart indoors · Feb 25 – Mar 11
Broccoli, cabbageTransplant · Apr 15 – Apr 29
Onion setsPlant outdoors · Apr 8 – Apr 22
PotatoesPlant outdoors · Apr 15 – Apr 29
LettuceSow outdoors · Apr 8 – Apr 22
Carrots, beetsSow outdoors · Apr 15 – Apr 29
TomatoesStart indoors · Mar 11 – Mar 25
TomatoesTransplant · May 13 – May 27
Peppers, eggplantStart indoors · Feb 25 – Mar 11
Peppers, eggplantTransplant · May 20 – Jun 3
BeansSow outdoors · May 13 – May 27
Sweet cornSow outdoors · May 13 – May 27
Cucumbers, squashSow outdoors · May 13 – May 27
Fall lettuce, spinachSow outdoors · Aug 15 – Aug 29
GarlicPlant cloves · Sep 26 – Oct 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 6) and first fall frost (Oct 10) 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 14589 came on Apr 8 — 3 days earlier than the 1991–2020 average (Apr 11).

JanFebMarAprMayJun

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

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 130

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 217

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 192

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °FAtlantic mannagrass3 ft · blooms summer · low shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °F

Vines 8

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °Ftrumpet creeper2 ft · blooms summer · high shade tolerance · to −13 °F

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 Williamson, NY.

Soil in Williamson, NY

The soil mapped at the center of ZIP 14589 is Brockport — silty clay loam, somewhat poorly drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
pH6.5neutral; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter4.5%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Lockport and Brockport silty clay loams, 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 14589; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Williamson, NY

Summer high79 °Faverage high, July
Winter low16 °Faverage low, January
Hot days8days a year at 90 °F or more
Freezing nights132nights a year at 32 °F or less
Growing degree days2,312base 50 °F — the season’s usable heat
Longest day15 h 23 mindaylight on June 21
Shortest day8 h 58 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation39.9 inper year, rain and melted snow
Snowfall105 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 31 °F, low 16 °F 31°16° JanFebruary: average high 33 °F, low 17 °F 33°17° FebMarch: average high 41 °F, low 24 °F 41°24° MarApril: average high 54 °F, low 34 °F 54°34° AprMay: average high 67 °F, low 45 °F 67°45° MayJune: average high 75 °F, low 54 °F 75°54° JunJuly: average high 79 °F, low 59 °F 79°59° JulAugust: average high 78 °F, low 58 °F 78°58° AugSeptember: average high 72 °F, low 51 °F 72°51° SepOctober: average high 59 °F, low 41 °F 59°41° OctNovember: average high 47 °F, low 31 °F 47°31° NovDecember: average high 36 °F, low 23 °F 36°23° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.99 in precipitation, 34.8 in snowfall 3.0❄35 JanFebruary: 2.49 in precipitation, 21.5 in snowfall 2.5❄22 FebMarch: 2.67 in precipitation, 13.6 in snowfall 2.7❄14 MarApril: 3.19 in precipitation, 2.1 in snowfall 3.2❄2 AprMay: 3.37 in precipitation, 0.1 in snowfall 3.4 MayJune: 3.45 in precipitation 3.5 JunJuly: 3.62 in precipitation 3.6 JulAugust: 3.80 in precipitation 3.8 AugSeptember: 3.37 in precipitation 3.4 SepOctober: 4.32 in precipitation, 0.1 in snowfall 4.3 OctNovember: 3.39 in precipitation, 7.3 in snowfall 3.4❄7 NovDecember: 3.22 in precipitation, 25.4 in snowfall 3.2❄25 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sodus 1w, NY (4 mi away); precipitation: Sodus 1w, NY (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

144496b
East Williamson, NY · 2 mi
145386b
Pultneyville, NY · 3 mi
145056b
Marion, NY · 6 mi
145516b
Sodus, NY · 6 mi
145206b
Ontario Center, NY · 7 mi
145196b
Ontario, NY · 7 mi
145686b
Walworth, NY · 9 mi
145556b
Sodus Point, NY · 10 mi

New York planting zones →

Questions about 14589

What planting zone is ZIP code 14589?

ZIP code 14589 (Williamson, 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 Williamson, NY?

The median last spring frost (32 °F) near 14589 is May 6; after May 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sodus 1w station.

When is the first frost in Williamson, NY?

The median first fall frost near 14589 is October 10, giving a median frost-free growing season of 158 days.

When should I plant tomatoes in 14589?

Start tomato seeds indoors around Mar 11 – Mar 25 and set transplants outside around May 13 – May 27, one to three weeks after the median last frost.

How much rain and snow does 14589 get?

About 39.9 inches of precipitation a year and 105 inches of snowfall (NOAA 1991–2020 normals, Sodus 1w station).

How hot do summers get in Williamson, NY?

The average high peaks at 79 °F in July, with about 8 days a year at 90 °F or more.

What kind of soil does 14589 have?

The USDA soil survey maps Brockport at the center of ZIP 14589: silty clay loam, somewhat poorly drained, pH about 6.5 (neutral).

Did spring come early in Williamson, NY in 2026?

Spring leaf-out near 14589 came on Apr 8 in 2026, 3 days earlier than the 1991–2020 average (Apr 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Williamson, NY?

Long-day onions: the longest day near 14589 is 15 h 23 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 14589 change?

Yes. The 2012 USDA map put 14589 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.