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

Planting zone for 13694 — Waddington, NY

ZIP code 13694 (Waddington, St. Lawrence County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is April 29 and the first fall frost October 10.

Where ZIP 13694 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.

Zone4b−25 to −20 °F
Coldest night−31.7 to −28.9 °C
Last frostApr 29
First frostOct 10
2012 zone4b

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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Waddington, 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 Waddington, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 29median — 50% chance of a later frost
Safe for tender plantsMay 11only 10% chance of frost after
First fall frostOctober 10median — 10% chance by Sep 25
Growing season162 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 20 and returns around October 24.

From the NOAA station Ogdensburg 4 Ne, NY — 16 miles away, elevation 279 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 13694

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 18 – Apr 1
SpinachSow outdoors · Mar 18 – Apr 8
Broccoli, cabbageStart indoors · Feb 18 – Mar 4
Broccoli, cabbageTransplant · Apr 8 – Apr 22
Onion setsPlant outdoors · Apr 1 – Apr 15
PotatoesPlant outdoors · Apr 8 – Apr 22
LettuceSow outdoors · Apr 1 – Apr 15
Carrots, beetsSow outdoors · Apr 8 – Apr 22
TomatoesStart indoors · Mar 4 – Mar 18
TomatoesTransplant · May 6 – May 20
Peppers, eggplantStart indoors · Feb 18 – Mar 4
Peppers, eggplantTransplant · May 13 – May 27
BeansSow outdoors · May 6 – May 20
Sweet cornSow outdoors · May 6 – May 20
Cucumbers, squashSow outdoors · May 6 – May 20
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 (Apr 29) 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 13694 came on Apr 16 — 5 days earlier than the 1991–2020 average (Apr 21).

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 4b in New York

526 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 60

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 99

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 hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °F

Wildflowers & perennials 183

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 166

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 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 5

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Ftrumpet honeysuckle16 ft · blooms late summer · low shade tolerance · to −33 °FVirginia creeper1 ft · blooms late spring · medium shade tolerance · to −28 °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 Waddington, NY.

Soil in Waddington, NY

The soil mapped at the center of ZIP 13694 is Munuscong — mucky fine sandy loam, very poorly drained.

TextureMucky fine sandy loamdrains and warms fast; dries out and needs more feeding
pH6.6neutral; most vegetables like 6.0–7.0
DrainageVery poorly drainedconsider raised beds
Organic matter12%high
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Munuscong mucky fine sandy loam.

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 13694; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Waddington, NY

Summer high80 °Faverage high, July
Winter low8 °Faverage low, January
Hot days7days a year at 90 °F or more
Freezing nights157nights a year at 32 °F or less
Growing degree days2,378base 50 °F — the season’s usable heat
Longest day15 h 36 mindaylight on June 21
Shortest day8 h 47 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation39 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 26 °F, low 8 °F 26°8° JanFebruary: average high 29 °F, low 9 °F 29°9° FebMarch: average high 38 °F, low 20 °F 38°20° MarApril: average high 52 °F, low 34 °F 52°34° AprMay: average high 66 °F, low 47 °F 66°47° MayJune: average high 76 °F, low 56 °F 76°56° JunJuly: average high 80 °F, low 61 °F 80°61° JulAugust: average high 79 °F, low 59 °F 79°59° AugSeptember: average high 71 °F, low 50 °F 71°50° SepOctober: average high 57 °F, low 40 °F 57°40° OctNovember: average high 45 °F, low 29 °F 45°29° NovDecember: average high 32 °F, low 18 °F 32°18° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.67 in precipitation 2.7 JanFebruary: 2.24 in precipitation 2.2 FebMarch: 2.08 in precipitation 2.1 MarApril: 3.07 in precipitation 3.1 AprMay: 3.61 in precipitation 3.6 MayJune: 4.32 in precipitation 4.3 JunJuly: 4.27 in precipitation 4.3 JulAugust: 3.36 in precipitation 3.4 AugSeptember: 3.85 in precipitation 3.9 SepOctober: 3.61 in precipitation 3.6 OctNovember: 3.10 in precipitation 3.1 NovDecember: 2.77 in precipitation 2.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Ogdensburg 4 Ne, NY (16 mi away); precipitation: Norfolk, NY (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4b.

136214b
Chase Mills, NY · 6 mi
136604b
Madrid, NY · 6 mi
136674b
Norfolk, NY · 8 mi
136584b
Lisbon, NY · 9 mi
136784b
Raymondville, NY · 10 mi
136684b
Norwood, NY · 12 mi
136624b
Massena, NY · 15 mi
136994b
Potsdam, NY · 16 mi

New York planting zones →

Questions about 13694

What planting zone is ZIP code 13694?

ZIP code 13694 (Waddington, NY) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Waddington, NY?

The median last spring frost (32 °F) near 13694 is April 29; after May 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Ogdensburg 4 Ne station.

When is the first frost in Waddington, NY?

The median first fall frost near 13694 is October 10, giving a median frost-free growing season of 162 days.

When should I plant tomatoes in 13694?

Start tomato seeds indoors around Mar 4 – Mar 18 and set transplants outside around May 6 – May 20, one to three weeks after the median last frost.

How much rain and snow does 13694 get?

About 39 inches of precipitation a year (NOAA 1991–2020 normals, Norfolk station).

How hot do summers get in Waddington, 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 13694 have?

The USDA soil survey maps Munuscong at the center of ZIP 13694: mucky fine sandy loam, very poorly drained, pH about 6.6 (neutral).

Did spring come early in Waddington, NY in 2026?

Spring leaf-out near 13694 came on Apr 16 in 2026, 5 days earlier than the 1991–2020 average (Apr 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Waddington, NY?

Long-day onions: the longest day near 13694 is 15 h 36 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).