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

Planting zone for 05471 — Montgomery Center, VT

ZIP code 05471 (Montgomery Center, Franklin County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 14 and the first fall frost October 1.

Where ZIP 05471 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.

Zone5a−20 to −15 °F
Coldest night−28.9 to −26.1 °C
Last frostMay 14
First frostOct 1
2012 zone4a

Was 4a on the 2012 map — a full 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 Service

Loading the forecast for Montgomery Center, 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 Montgomery Center, VT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 14median — 50% chance of a later frost
Safe for tender plantsMay 31only 10% chance of frost after
First fall frostOctober 1median — 10% chance by Sep 19
Growing season138 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 2 and returns around October 9.

From the NOAA station Jay Peak, VT — 9 miles away, elevation 1,841 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 05471

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 2 – Apr 16
SpinachSow outdoors · Apr 2 – Apr 23
Broccoli, cabbageStart indoors · Mar 5 – Mar 19
Broccoli, cabbageTransplant · Apr 23 – May 7
Onion setsPlant outdoors · Apr 16 – Apr 30
PotatoesPlant outdoors · Apr 23 – May 7
LettuceSow outdoors · Apr 16 – Apr 30
Carrots, beetsSow outdoors · Apr 23 – May 7
TomatoesStart indoors · Mar 19 – Apr 2
TomatoesTransplant · May 21 – Jun 4
Peppers, eggplantStart indoors · Mar 5 – Mar 19
Peppers, eggplantTransplant · May 28 – Jun 11
BeansSow outdoors · May 21 – Jun 4
Sweet cornSow outdoors · May 21 – Jun 4
Cucumbers, squashSow outdoors · May 21 – Jun 4
Fall lettuce, spinachSow outdoors · Aug 6 – Aug 20
GarlicPlant cloves · Sep 17 – Oct 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 14) and first fall frost (Oct 1) 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 05471 came on Apr 22 — 5 days earlier than the 1991–2020 average (Apr 27).

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 5a in Vermont

459 plants native to the lower 48 states, recorded in Vermont, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.

Trees 49

Shrubs 92

Wildflowers & perennials 162

Grasses 139

Vines 6

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 Montgomery Center, VT.

Soil in Montgomery Center, VT

The soil mapped at the center of ZIP 05471 is Woodstock — fine sandy loam, somewhat excessively drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter7%high
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Woodstock-Rock outcrop complex, 25 to 60 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 05471; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Montgomery Center, VT

Summer high74 °Faverage high, July
Winter low4 °Faverage low, January
Hot days0days a year at 90 °F or more
Freezing nights182nights a year at 32 °F or less
Growing degree days1,567base 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)
Precipitation50.8 inper year, rain and melted snow

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°32 °FJanuary: average high 24 °F, low 4 °F 24°4° JanFebruary: average high 26 °F, low 6 °F 26°6° FebMarch: average high 34 °F, low 15 °F 34°15° MarApril: average high 46 °F, low 28 °F 46°28° AprMay: average high 61 °F, low 41 °F 61°41° MayJune: average high 70 °F, low 51 °F 70°51° JunJuly: average high 74 °F, low 56 °F 74°56° JulAugust: average high 72 °F, low 54 °F 72°54° AugSeptember: average high 66 °F, low 46 °F 66°46° SepOctober: average high 52 °F, low 35 °F 52°35° OctNovember: average high 40 °F, low 24 °F 40°24° NovDecember: average high 29 °F, low 13 °F 29°13° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.91 in precipitation 3.9 JanFebruary: 3.11 in precipitation 3.1 FebMarch: 3.75 in precipitation 3.8 MarApril: 4.00 in precipitation 4.0 AprMay: 4.34 in precipitation 4.3 MayJune: 4.85 in precipitation 4.8 JunJuly: 4.97 in precipitation 5.0 JulAugust: 4.43 in precipitation 4.4 AugSeptember: 4.00 in precipitation 4.0 SepOctober: 4.88 in precipitation 4.9 OctNovember: 4.43 in precipitation 4.4 NovDecember: 4.16 in precipitation 4.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Jay Peak, VT (9 mi away); precipitation: Westfield 0.7 Wnw, VT (8 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Vermont planting zones →

Questions about 05471

What planting zone is ZIP code 05471?

ZIP code 05471 (Montgomery Center, VT) 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 Montgomery Center, VT?

The median last spring frost (32 °F) near 05471 is May 14; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Jay Peak station.

When is the first frost in Montgomery Center, VT?

The median first fall frost near 05471 is October 1, giving a median frost-free growing season of 138 days.

When should I plant tomatoes in 05471?

Start tomato seeds indoors around Mar 19 – Apr 2 and set transplants outside around May 21 – Jun 4, one to three weeks after the median last frost.

How much rain and snow does 05471 get?

About 50.8 inches of precipitation a year (NOAA 1991–2020 normals, Westfield 0.7 Wnw station).

How hot do summers get in Montgomery Center, VT?

The average high peaks at 74 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 05471 have?

The USDA soil survey maps Woodstock at the center of ZIP 05471: fine sandy loam, somewhat excessively drained, pH about 5.8 (moderately acidic).

Did spring come early in Montgomery Center, VT in 2026?

Spring leaf-out near 05471 came on Apr 22 in 2026, 5 days earlier than the 1991–2020 average (Apr 27), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Montgomery Center, VT?

Long-day onions: the longest day near 05471 is 15 h 36 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 05471 change?

Yes. The 2012 USDA map put 05471 in zone 4a; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.