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

Planting zone for 05662 — Moscow, VT

ZIP code 05662 (Moscow, Lamoille County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 24 and the first fall frost September 27.

Where ZIP 05662 is

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 frostMay 24
First frostSep 27
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 Moscow, 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 Moscow, VT

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 24median — 50% chance of a later frost
Safe for tender plantsJune 5only 10% chance of frost after
First fall frostSeptember 27median — 10% chance by Sep 13
Growing season123 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 13 and returns around October 6.

From the NOAA station Morrisville 4 Ssw, VT — 7 miles away, elevation 761 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 05662

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 12 – Apr 26
SpinachSow outdoors · Apr 12 – May 3
Broccoli, cabbageStart indoors · Mar 15 – Mar 29
Broccoli, cabbageTransplant · May 3 – May 17
Onion setsPlant outdoors · Apr 26 – May 10
PotatoesPlant outdoors · May 3 – May 17
LettuceSow outdoors · Apr 26 – May 10
Carrots, beetsSow outdoors · May 3 – May 17
TomatoesStart indoors · Mar 29 – Apr 12
TomatoesTransplant · May 31 – Jun 14
Peppers, eggplantStart indoors · Mar 15 – Mar 29
Peppers, eggplantTransplant · Jun 7 – Jun 21
BeansSow outdoors · May 31 – Jun 14
Sweet cornSow outdoors · May 31 – Jun 14
Cucumbers, squashSow outdoors · May 31 – Jun 14
Fall lettuce, spinachSow outdoors · Aug 2 – Aug 16
GarlicPlant cloves · Sep 13 – Oct 18
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 24) and first fall frost (Sep 27) 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 05662 came on Apr 17 — 7 days earlier than the 1991–2020 average (Apr 24).

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 Vermont

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

Trees 49

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 83

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 151

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 133

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 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 Moscow, VT.

Soil in Moscow, VT

The soil mapped at the center of ZIP 05662 is Potsdam — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH4.8strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter5.5%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Potsdam silt loam, 15 to 25 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 05662; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Moscow, VT

Summer high77 °Faverage high, July
Winter low3 °Faverage low, January
Hot days3days a year at 90 °F or more
Freezing nights189nights a year at 32 °F or less
Growing degree days1,632base 50 °F — the season’s usable heat
Longest day15 h 33 mindaylight on June 21
Shortest day8 h 50 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation46.4 inper year, rain and melted snow

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 25 °F, low 3 °F 25°3° JanFebruary: average high 28 °F, low 4 °F 28°4° FebMarch: average high 37 °F, low 14 °F 37°14° MarApril: average high 51 °F, low 27 °F 51°27° AprMay: average high 65 °F, low 38 °F 65°38° MayJune: average high 73 °F, low 49 °F 73°49° JunJuly: average high 77 °F, low 54 °F 77°54° JulAugust: average high 76 °F, low 51 °F 76°51° AugSeptember: average high 69 °F, low 44 °F 69°44° SepOctober: average high 55 °F, low 34 °F 55°34° OctNovember: average high 42 °F, low 24 °F 42°24° NovDecember: average high 31 °F, low 12 °F 31°12° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.27 in precipitation 3.3 JanFebruary: 2.69 in precipitation 2.7 FebMarch: 3.00 in precipitation 3.0 MarApril: 3.66 in precipitation 3.7 AprMay: 4.24 in precipitation 4.2 MayJune: 4.75 in precipitation 4.8 JunJuly: 5.28 in precipitation 5.3 JulAugust: 4.13 in precipitation 4.1 AugSeptember: 3.62 in precipitation 3.6 SepOctober: 4.35 in precipitation 4.3 OctNovember: 3.76 in precipitation 3.8 NovDecember: 3.60 in precipitation 3.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Morrisville 4 Ssw, VT (7 mi away); precipitation: Stowe 0.2 Sw, VT (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

056775a
Waterbury Center, VT · 3 mi
056725a
Stowe, VT · 3 mi
056614b
Morrisville, VT · 8 mi
056825a
Worcester, VT · 8 mi
054905a
Underhill Center, VT · 9 mi
054655a
Jericho, VT · 10 mi
056025a
Montpelier, VT · 11 mi
054665a
Jonesville, VT · 12 mi

Vermont planting zones →

Questions about 05662

What planting zone is ZIP code 05662?

ZIP code 05662 (Moscow, VT) 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 Moscow, VT?

The median last spring frost (32 °F) near 05662 is May 24; after June 5 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Morrisville 4 Ssw station.

When is the first frost in Moscow, VT?

The median first fall frost near 05662 is September 27, giving a median frost-free growing season of 123 days.

When should I plant tomatoes in 05662?

Start tomato seeds indoors around Mar 29 – Apr 12 and set transplants outside around May 31 – Jun 14, one to three weeks after the median last frost.

How much rain and snow does 05662 get?

About 46.4 inches of precipitation a year (NOAA 1991–2020 normals, Stowe 0.2 Sw station).

How hot do summers get in Moscow, VT?

The average high peaks at 77 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 05662 have?

The USDA soil survey maps Potsdam at the center of ZIP 05662: silt loam, well drained, pH about 4.8 (strongly acidic).

Did spring come early in Moscow, VT in 2026?

Spring leaf-out near 05662 came on Apr 17 in 2026, 7 days earlier than the 1991–2020 average (Apr 24), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Moscow, VT?

Long-day onions: the longest day near 05662 is 15 h 33 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).