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

Planting zone for 01452 — Hubbardston, MA

ZIP code 01452 (Hubbardston, Worcester County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 12 and the first fall frost October 1.

Where ZIP 01452 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 12
First frostOct 1
2012 zone5b

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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Hubbardston, MA…

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 Hubbardston, MA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 12median — 50% chance of a later frost
Safe for tender plantsMay 28only 10% chance of frost after
First fall frostOctober 1median — 10% chance by Sep 18
Growing season141 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 29 and returns around October 10.

From the NOAA station Barre Falls Dam, MA — 5 miles away, elevation 827 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 01452

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 31 – Apr 14
SpinachSow outdoors · Mar 31 – Apr 21
Broccoli, cabbageStart indoors · Mar 3 – Mar 17
Broccoli, cabbageTransplant · Apr 21 – May 5
Onion setsPlant outdoors · Apr 14 – Apr 28
PotatoesPlant outdoors · Apr 21 – May 5
LettuceSow outdoors · Apr 14 – Apr 28
Carrots, beetsSow outdoors · Apr 21 – May 5
TomatoesStart indoors · Mar 17 – Mar 31
TomatoesTransplant · May 19 – Jun 2
Peppers, eggplantStart indoors · Mar 3 – Mar 17
Peppers, eggplantTransplant · May 26 – Jun 9
BeansSow outdoors · May 19 – Jun 2
Sweet cornSow outdoors · May 19 – Jun 2
Cucumbers, squashSow outdoors · May 19 – Jun 2
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 12) 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 01452 came on Apr 11 — 6 days earlier than the 1991–2020 average (Apr 17).

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 Massachusetts

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

Trees 66

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 104

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 181

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 154

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °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 spikerush3 ft · blooms late spring · high shade tolerance · to −28 °F

Vines 7

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 honeysuckle16 ft · blooms late summer · low shade tolerance · to −33 °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 Hubbardston, MA.

Soil in Hubbardston, MA

The soil mapped at the center of ZIP 01452 is Pillsbury — gravelly fine sandy loam, poorly drained.

TextureGravelly fine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter5.5%high
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Pillsbury-Peacham association, 0 to 8 percent slopes, extremely stony.

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 01452; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Hubbardston, MA

Summer high83 °Faverage high, July
Winter low13 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights176nights a year at 32 °F or less
Growing degree days2,380base 50 °F — the season’s usable heat
Longest day15 h 18 mindaylight on June 21
Shortest day9 h 03 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation47.8 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 35 °F, low 13 °F 35°13° JanFebruary: average high 38 °F, low 14 °F 38°14° FebMarch: average high 46 °F, low 22 °F 46°22° MarApril: average high 59 °F, low 32 °F 59°32° AprMay: average high 70 °F, low 43 °F 70°43° MayJune: average high 78 °F, low 52 °F 78°52° JunJuly: average high 83 °F, low 58 °F 83°58° JulAugust: average high 81 °F, low 55 °F 81°55° AugSeptember: average high 75 °F, low 48 °F 75°48° SepOctober: average high 62 °F, low 36 °F 62°36° OctNovember: average high 50 °F, low 27 °F 50°27° NovDecember: average high 40 °F, low 19 °F 40°19° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.17 in precipitation 3.2 JanFebruary: 2.20 in precipitation 2.2 FebMarch: 3.83 in precipitation 3.8 MarApril: 3.91 in precipitation 3.9 AprMay: 3.86 in precipitation 3.9 MayJune: 5.03 in precipitation 5.0 JunJuly: 4.06 in precipitation 4.1 JulAugust: 4.21 in precipitation 4.2 AugSeptember: 4.47 in precipitation 4.5 SepOctober: 4.82 in precipitation 4.8 OctNovember: 3.70 in precipitation 3.7 NovDecember: 4.53 in precipitation 4.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Barre Falls Dam, MA (5 mi away); precipitation: Gardner 1.4 Ssw, MA (5 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.

014685b
Templeton, MA · 5 mi
014385b
East Templeton, MA · 5 mi
014416a
Westminster, MA · 6 mi
014736a
Westminster, MA · 6 mi
014405b
Gardner, MA · 6 mi
015416a
Princeton, MA · 7 mi
015436a
Rutland, MA · 8 mi
010056a
Barre, MA · 8 mi

Massachusetts planting zones →

Questions about 01452

What planting zone is ZIP code 01452?

ZIP code 01452 (Hubbardston, MA) 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 Hubbardston, MA?

The median last spring frost (32 °F) near 01452 is May 12; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Barre Falls Dam station.

When is the first frost in Hubbardston, MA?

The median first fall frost near 01452 is October 1, giving a median frost-free growing season of 141 days.

When should I plant tomatoes in 01452?

Start tomato seeds indoors around Mar 17 – Mar 31 and set transplants outside around May 19 – Jun 2, one to three weeks after the median last frost.

How much rain and snow does 01452 get?

About 47.8 inches of precipitation a year (NOAA 1991–2020 normals, Gardner 1.4 Ssw station).

How hot do summers get in Hubbardston, MA?

The average high peaks at 83 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 01452 have?

The USDA soil survey maps Pillsbury at the center of ZIP 01452: gravelly fine sandy loam, poorly drained, pH about 5.0 (strongly acidic).

Did spring come early in Hubbardston, MA in 2026?

Spring leaf-out near 01452 came on Apr 11 in 2026, 6 days earlier than the 1991–2020 average (Apr 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Hubbardston, MA?

Long-day onions: the longest day near 01452 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).