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

Planting zone for 01111 — Springfield, MA

ZIP code 01111 (Springfield, Hampden County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 3 and the first fall frost October 8.

Where ZIP 01111 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostMay 3
First frostOct 8
2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Springfield, 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 Springfield, MA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 3median — 50% chance of a later frost
Safe for tender plantsMay 17only 10% chance of frost after
First fall frostOctober 8median — 10% chance by Sep 26
Growing season158 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 21 and returns around October 20.

From the NOAA station Westfield Barnes Municipal Airport, MA — 6 miles away, elevation 272 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 01111

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 22 – Apr 5
SpinachSow outdoors · Mar 22 – Apr 12
Broccoli, cabbageStart indoors · Feb 22 – Mar 8
Broccoli, cabbageTransplant · Apr 12 – Apr 26
Onion setsPlant outdoors · Apr 5 – Apr 19
PotatoesPlant outdoors · Apr 12 – Apr 26
LettuceSow outdoors · Apr 5 – Apr 19
Carrots, beetsSow outdoors · Apr 12 – Apr 26
TomatoesStart indoors · Mar 8 – Mar 22
TomatoesTransplant · May 10 – May 24
Peppers, eggplantStart indoors · Feb 22 – Mar 8
Peppers, eggplantTransplant · May 17 – May 31
BeansSow outdoors · May 10 – May 24
Sweet cornSow outdoors · May 10 – May 24
Cucumbers, squashSow outdoors · May 10 – May 24
Fall lettuce, spinachSow outdoors · Aug 13 – Aug 27
GarlicPlant cloves · Sep 24 – Oct 29
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 3) and first fall frost (Oct 8) 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 01111 came on Apr 2 — 6 days earlier than the 1991–2020 average (Apr 8).

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 6a in Massachusetts

544 plants native to the lower 48 states, recorded in Massachusetts, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.

Trees 66

Shrubs 109

Wildflowers & perennials 186

Grasses 157

Vines 8

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 Springfield, MA.

Soil in Springfield, MA

The soil mapped at the center of ZIP 01111 is Hinckley — loamy sand, excessively drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter2.8%moderate
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land-Hinckley-Windsor association, 0 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 01111; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Springfield, MA

Summer high85 °Faverage high, July
Winter low16 °Faverage low, January
Hot days18days a year at 90 °F or more
Freezing nights144nights a year at 32 °F or less
Growing degree days2,798base 50 °F — the season’s usable heat
Longest day15 h 16 mindaylight on June 21
Shortest day9 h 06 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation50.2 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 35 °F, low 16 °F 35°16° JanFebruary: average high 38 °F, low 17 °F 38°17° FebMarch: average high 47 °F, low 26 °F 47°26° MarApril: average high 60 °F, low 35 °F 60°35° AprMay: average high 72 °F, low 46 °F 72°46° MayJune: average high 80 °F, low 55 °F 80°55° JunJuly: average high 85 °F, low 61 °F 85°61° JulAugust: average high 83 °F, low 59 °F 83°59° AugSeptember: average high 75 °F, low 51 °F 75°51° SepOctober: average high 63 °F, low 39 °F 63°39° OctNovember: average high 51 °F, low 30 °F 51°30° NovDecember: average high 40 °F, low 22 °F 40°22° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.74 in precipitation 3.7 JanFebruary: 3.47 in precipitation 3.5 FebMarch: 4.07 in precipitation 4.1 MarApril: 4.03 in precipitation 4.0 AprMay: 3.83 in precipitation 3.8 MayJune: 4.66 in precipitation 4.7 JunJuly: 4.39 in precipitation 4.4 JulAugust: 4.34 in precipitation 4.3 AugSeptember: 4.71 in precipitation 4.7 SepOctober: 5.01 in precipitation 5.0 OctNovember: 3.65 in precipitation 3.6 NovDecember: 4.28 in precipitation 4.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Westfield Barnes Municipal Airport, MA (6 mi away); precipitation: Springfield 4.1 W, MA (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

All 19 ZIP codes in Springfield → · Massachusetts planting zones →

Questions about 01111

What planting zone is ZIP code 01111?

ZIP code 01111 (Springfield, MA) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Springfield, MA?

The median last spring frost (32 °F) near 01111 is May 3; after May 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Westfield Barnes Municipal Airport station.

When is the first frost in Springfield, MA?

The median first fall frost near 01111 is October 8, giving a median frost-free growing season of 158 days.

When should I plant tomatoes in 01111?

Start tomato seeds indoors around Mar 8 – Mar 22 and set transplants outside around May 10 – May 24, one to three weeks after the median last frost.

How much rain and snow does 01111 get?

About 50.2 inches of precipitation a year (NOAA 1991–2020 normals, Springfield 4.1 W station).

How hot do summers get in Springfield, MA?

The average high peaks at 85 °F in July, with about 18 days a year at 90 °F or more.

What kind of soil does 01111 have?

The USDA soil survey maps Hinckley at the center of ZIP 01111: loamy sand, excessively drained, pH about 4.6 (strongly acidic).

Did spring come early in Springfield, MA in 2026?

Spring leaf-out near 01111 came on Apr 2 in 2026, 6 days earlier than the 1991–2020 average (Apr 8), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Springfield, MA?

Long-day onions: the longest day near 01111 is 15 h 16 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).