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

Planting zone for 05150 — North Springfield, VT

ZIP code 05150 (North Springfield, Windsor County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 13 and the first fall frost October 3.

Where ZIP 05150 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.

Zone5b−15 to −10 °F
Coldest night−26.1 to −23.3 °C
Last frostMay 13
First frostOct 3
2012 zone5a

Was 5a 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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for North Springfield, VT…

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 North Springfield, VT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 13median — 50% chance of a later frost
Safe for tender plantsMay 28only 10% chance of frost after
First fall frostOctober 3median — 10% chance by Sep 20
Growing season143 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 29 and returns around October 13.

From the NOAA station Springfield Hartness Airport, VT — within 1 mile, elevation 577 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 05150

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 1 – Apr 15
SpinachSow outdoors · Apr 1 – Apr 22
Broccoli, cabbageStart indoors · Mar 4 – Mar 18
Broccoli, cabbageTransplant · Apr 22 – May 6
Onion setsPlant outdoors · Apr 15 – Apr 29
PotatoesPlant outdoors · Apr 22 – May 6
LettuceSow outdoors · Apr 15 – Apr 29
Carrots, beetsSow outdoors · Apr 22 – May 6
TomatoesStart indoors · Mar 18 – Apr 1
TomatoesTransplant · May 20 – Jun 3
Peppers, eggplantStart indoors · Mar 4 – Mar 18
Peppers, eggplantTransplant · May 27 – Jun 10
BeansSow outdoors · May 20 – Jun 3
Sweet cornSow outdoors · May 20 – Jun 3
Cucumbers, squashSow outdoors · May 20 – Jun 3
Fall lettuce, spinachSow outdoors · Aug 8 – Aug 22
GarlicPlant cloves · Sep 19 – Oct 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 13) and first fall frost (Oct 3) 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 05150 came on Apr 12 — 8 days earlier than the 1991–2020 average (Apr 20).

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 5b in Vermont

470 plants native to the lower 48 states, recorded in Vermont, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 52

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 94

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 166

alpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine sweetvetch2 ft · blooms early summer · high shade tolerance · to −62 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °F

Grasses 140

American 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 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °FBicknell's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 6

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 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °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 North Springfield, VT.

Soil in North Springfield, VT

The soil mapped at the center of ZIP 05150 is Adams — loamy sand, somewhat excessively drained.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH4.8strongly acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter3.5%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Adams loamy sand, 8 to 15 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 05150; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in North Springfield, VT

Summer high81 °Faverage high, July
Winter low11 °Faverage low, January
Hot days8days a year at 90 °F or more
Freezing nights167nights a year at 32 °F or less
Growing degree days2,193base 50 °F — the season’s usable heat
Longest day15 h 24 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)
Precipitation40.3 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 30 °F, low 11 °F 30°11° JanFebruary: average high 33 °F, low 13 °F 33°13° FebMarch: average high 42 °F, low 21 °F 42°21° MarApril: average high 56 °F, low 32 °F 56°32° AprMay: average high 68 °F, low 43 °F 68°43° MayJune: average high 76 °F, low 52 °F 76°52° JunJuly: average high 81 °F, low 57 °F 81°57° JulAugust: average high 80 °F, low 55 °F 80°55° AugSeptember: average high 72 °F, low 48 °F 72°48° SepOctober: average high 59 °F, low 37 °F 59°37° OctNovember: average high 46 °F, low 28 °F 46°28° NovDecember: average high 35 °F, low 18 °F 35°18° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.80 in precipitation 2.8 JanFebruary: 2.23 in precipitation 2.2 FebMarch: 2.98 in precipitation 3.0 MarApril: 3.35 in precipitation 3.4 AprMay: 3.49 in precipitation 3.5 MayJune: 3.78 in precipitation 3.8 JunJuly: 3.86 in precipitation 3.9 JulAugust: 3.56 in precipitation 3.6 AugSeptember: 3.61 in precipitation 3.6 SepOctober: 4.16 in precipitation 4.2 OctNovember: 3.34 in precipitation 3.3 NovDecember: 3.17 in precipitation 3.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Springfield Hartness Airport, VT (within 1 mile); precipitation: Springfield Hartness Airport, VT (within 1 mile). 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.

051565b
Springfield, VT · 4 mi
051515b
Perkinsville, VT · 4 mi
051425b
Cavendish, VT · 5 mi
050305b
Ascutney, VT · 7 mi
051435b
Chester, VT · 8 mi
050375a
Brownsville, VT · 9 mi
051535b
Proctorsville, VT · 9 mi
051495b
Ludlow, VT · 10 mi

Vermont planting zones →

Questions about 05150

What planting zone is ZIP code 05150?

ZIP code 05150 (North Springfield, VT) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in North Springfield, VT?

The median last spring frost (32 °F) near 05150 is May 13; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Springfield Hartness Airport station.

When is the first frost in North Springfield, VT?

The median first fall frost near 05150 is October 3, giving a median frost-free growing season of 143 days.

When should I plant tomatoes in 05150?

Start tomato seeds indoors around Mar 18 – Apr 1 and set transplants outside around May 20 – Jun 3, one to three weeks after the median last frost.

How much rain and snow does 05150 get?

About 40.3 inches of precipitation a year (NOAA 1991–2020 normals, Springfield Hartness Airport station).

How hot do summers get in North Springfield, VT?

The average high peaks at 81 °F in July, with about 8 days a year at 90 °F or more.

What kind of soil does 05150 have?

The USDA soil survey maps Adams at the center of ZIP 05150: loamy sand, somewhat excessively drained, pH about 4.8 (strongly acidic).

Did spring come early in North Springfield, VT in 2026?

Spring leaf-out near 05150 came on Apr 12 in 2026, 8 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in North Springfield, VT?

Long-day onions: the longest day near 05150 is 15 h 24 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 05150 change?

Yes. The 2012 USDA map put 05150 in zone 5a; the 2023 map puts it in zone 5b. The newer map uses 1991–2020 data and more weather stations.